答えがわからないです！教えて欲しいてす！！

deib 1a1o 15) Although humans todayobtain about 20% of their protein (5)参 from animal-based products, this ,may need to drop to just 5% by 2050 to feed the extra 2 billion people expecting to be alive then, warn some of the world's leading water experts. 【学習院大*) boog es orwi © コ→( GbO Toore

なぜこの答えになるのか分かりません！教えてください！

O play isw bluow 1isw E) . The manager。orders his secretary。not to come in。until he told her to. 〈高崎経済大) 001 orderediwxen to Bne or vd ansoidgis 1ol 919 .I。couldn't answer your call right away because I。took a bath when you Called me. の の- の fロ s plaving show livr つ os fofing 〈学習院大) 002

グラマーコレクションフルバージョンの時制の範囲の答えが分かりません 教えてください よろしくお願いします

from 1.時制 Practice ロ ロ 20. I'm afraid many of the students will not be able to find jobs before they ( college. の will graduate (日本歯科大) 3 graduation のgraduated O graduate ) you next week, I'll give you more information. 2 saw ロ 21. When I( 4 have seen (拓殖大) 3 will see O see ) come ashore. ロ 22. It is now possible to predict when a typhoon ( 2 can (工学院大) apitco 3 isinicanoo のwill O be ロ 23. Airlines will increase fares if the price of oil () rising. のkeeps 時000 (立命館大) obd ③ will have kept ④ will keepolod の O keep ロ 24. I would like to know (on) our meeting.m w oia ebmom boog ( Oif she was joined 009 d yadt のif she will be joined のif she will have joined ow ai ybbe) 〈近畿大) 3if she will join Tblos aSmia ●00 ) even more serious. ③ are going to be ④ have become botiaiy bad ロ 25. Next year, environmental problems ( (武蔵大) 2 become ) are ロ 26. A:Ijust bought a new surfboard. Let's go to the beach! odesyo ohiamos vM A ate ●010 A:Oh, well. Maybe some other time. O You don't know how to surf. の Are you serious? (大阪経済法科大) 3I was just about to leave for work. ④ Isn't there a better time? 9nivil esw E bevil bsrl bevil vsrl O bovil の (大 西) ロ 27. One year ( ) since my brother left Japan. ny ti nov1 ge boog, O past vig nso poyo .gienot s の passing ③ of passing ④ has passed 〈南山大) 099d 19 erd ) nog Verl ( 口 28. How long is it ( )you started learning Chinese? 199d 1990 Verl while SmO lism-o ns bavisat I a O since 2 that 3 when 〈東北学院大) onie 2同じ意味になるように空所に適切な語を入れなさい。 yuiwond nead v'odw ② 口 29.(a) She got her driver's license five years ago. wol ovf o wond asit orlw ●01 (b) It ( five she got her driver's license. To26 28g6u2 〈新潟薬科大) years ( G 19jut ●004時011 口 30.(a) He came here two years ago, and he is still here. ballat avsl (b) He ( ) been here ( ) two years. (東京理科大) 3次の英文の下線部には誤っている箇所が1箇所ある。その番号を選び, 正しい形に直しなさい。 isw buow 口 31. The manager, orders secretary goL his to come in。 until he told her to. 〈高崎経済大) 01 口 32. I。couldn't answer your call right away because I took a bath when you 。 called ne. の 3 amumct の how lie 〈学習院大) 002

(2)の問題です。 マーカの部分が分かりません どなたか教えてくださいませんか🙇‍♀️🙇‍♀️ よろしくおねがいします！

*90 自然数 m, nに対してx=8m+n, y=5m+2n とおく。x, yの最大公約数 をdとする。 (1) m, nが互いに素ならば, d=1 または d=11 であることを示せ。 (2) m=2 のとき,d=11 となる最小の自然数nを求めよ。 [18 学習院大)

回答解説お願いします！ 全問です！

A 空所に入れるのに最も適切なものを1つ選びなさい。 20nd n 1. When I was in Salem, I( ) often play tennis with John. (明治大) (1)ought to (2)might (3)should 2. She has not come here yet, I am afraid she ( ) her way. (京都産業大) (4)used to (5)would (1)may be lost 3. I haven't finished my work. I( ) to the cinema last night. (東京電機大) (2)may have lost (3)may be having lost (4)may have been lost (1)oughtn't to go 4. Something has happened to this lock; the key ( ) turn. (東京家政大) (2)had not to go (3)haven't had to go (4)shouldn't have gone (1)won't (2)will (4)will be 5. She( )been sick in bed yesterday. I saw her at the supermarket. (昭和女子大) (3)do (1)cannot have (2)may not have (3)must have (4)would have 6. His plan ( ) beleft aside. (和洋女子大) (1)doesn't ought to (2)ought not to (3)ought to not (4)not ought to 7. Dr. Lambert ( ) here by now, for his secretary called us this morning to say that he took the earlier train. (清泉女子大) (1)must arrive (2)cannot have arrived (3)may not have arrived (4)ought to have arrived 8. I tried to take our dog out of our house, but he ( ) go out. (愛知学院大) (1)were to (2)had to (3)might not (4)would not 9. There ( ) something wrong with the host computer as all our computers crashed. (学習院大) (1)must have (2)would be (3)must have been (4)would have been 10. She 1s one of those people you really respect but would ( ) time with. (中央大) (1)have rather spend (2)not rather spend (3)rather than spending (4)rather not spend 出yス

特に最初の4問が分かりません。 疑問文についてのgrammarcollectionです。

19.疑問文 Practice Practice 「英文中の空所に入る適切な語または語句を選択肢から選びなさい。 ロ 1. What we do does not define () we are. 2who ③ when の how (成露大 Owhom ) person is driving to London? 3 which ロ 2. Could you tell me ( のwho (立命館大) Owhen 2where )made you try again? 2 When ロ 3.( の Why 〈大阪経済法料大) 3 Where O What )it is. ロ 4. I founda sock on the floor, but I don't know( 2who ③ that ④ whose (亜細亜大) O who's ロ 5.()on earth did you go there last night? 3 Who O Where 2 What ④ Why (東京工芸大) ロ 6. The robber disappeared completely. The police didn't know ( ④ who ) to look. 身185 ① that 2what 3where (武蔵大) ロ 7.“How( ) do you go swimming?" “Two or three times a month." 身186 の far の long 3many の often (金沢工業大) ロ 8.“How( ) will it take this parcel to reach France?" “First class mail takes about one week." 時186 O about (2) Come long much (学習院大) ロ 9. Do you know ( ) since the financial crisis started? I hope work-sharing becomes nion popular in Japan. 身186 O how many people have been laid off 2 how often people have been called for 3 how fast people have been taken out ④ how long people have been set up (文教大) ロ 10. Do you know how ( ) in the evening the show will begin? 時186 O early 2 fast 3 quickly の rapidly 〈神奈川工科大) ロ 11. “How( ) will the train come in?" “In a quarter of an hour." 身186 O often 2 Soon 3 long ④ much (麻布大)

【2】でx=-iは代入しなくて良いというのはどういうことですか、！教えてください😭

(1) nを2以上の自然数とするとき, x"-1 を(x-1) k +2 201 -[学習院大) めよ。 (2) 3x100+2x°7 +1 をx°+1で割ったときの余りを求めよ。 基本 53,54 指針>実際に割り算して余りを求めるのは非現実的である。p.88~90 でも学習したように ○ 割り算の問題 等式 A=BQ+R の利用 t る 30-() UCM B=0 を考える Pの次数に注音

【2】でx=-iは代入しなくて良いというのはどういうことですか、！教えてください😭

(1) nを2以上の自然数とするとき, x"-1 を(x-1) k +2 201 -[学習院大) めよ。 (2) 3x100+2x°7 +1 をx°+1で割ったときの余りを求めよ。 基本 53,54 指針>実際に割り算して余りを求めるのは非現実的である。p.88~90 でも学習したように ○ 割り算の問題 等式 A=BQ+R の利用 t る 30-() UCM B=0 を考える Pの次数に注音

誰か教えて欲しいです！！英語本当に苦手で、、、。大至急です！！お願いします🤲

問題 001 ~030 目標時間:3分20秒>1問 20 )に入れるのに最も適当な語(旬) を, 下の0~④から1つずつ選びなさい、 ) for 30 years. 2 次 口 001 The man missed his hometown, which he ( 4 does not see 1次の問いの ( 2 has not been seeing ロ0 1will have not seen 口 002 I'm afraid I left my pen in my office. Do you have something to write ( の by 3 had not seen の for (青山学院大 3 with 2 to 口 003 The time will come ( ) you will understand what I am saying. 3 when ④whether (亜細亜大 ① where 2 which 口 004 A: How was Helen's concert? B:The audience was very ( ) to see her singing and dancing. の funny (学習院大 モーー ) she should be upset about everything 2 exciting 大③ fun の excited 005 We don't particularly ( 2 think odd 1 think it odd that の think oddly that (図撃院大 3 think odd that コ006 The child found the purse ) near the bench. 3 to lie 0000 1S lying (駒毒大) aituOX 西00 のlie 2 lying 007 I definitely saw my brother (0=) hand in hand with your sister. O having walked 2 to have walked 3 to walk ④walk M%3D回0) (上智大) 08 ( ) did I know that the course of my life was about to change at that time. O Less 2 Little 3 Lots の Much (学習院大 9 I'm surprised that you went there. ( ) don't visit that part of town. O Most of tourists 2 Most the tourists 3 Most tourists の The most tourists ロ

至急です！ 問題の意味と答え教えてください!!!お願いします🙇🙏

HOMEWORK ople, 否定文 入試ではこう出る! 解答·解説→ 別冊 P.3 ) either. 問1 You should have told me you don't like mutton.I ( chem. 3 don't ④ won't O haven't 2 didn't (湘南工科 エ2007) 問2 Jack and Linda have many books in their rooms, but John ( ) have any. O doesn't ② don't ③ does の do (湘南工科 エ2007) 同3 My motherrecently showed me a childhood photograph of her that1 had ( ) seen before. (学習院 理2009) D ever 2 neither ③ never ④ only