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Complete the sentences using might not have ... or couldn't have.... 1. A: Do you think Sarah got the message we left her? B: No, she would have contacted us. She couldn't have gotten it. 2. A: I was surprised Kate wasn't at the meeting. Perhaps she didn't know about it. B: That's possible. She might not have known about it. 3. A: I wonder why they never replied to our letter. Do you think they received it? B: Maybe not. They 4. A: I wonder how the fire started. Was it an accident? B: No, the police say it co 5. A: Mike says he needs to see you. He tried to find B: Well, he very hard. I was in my office all day. you yesterday. 6. A: The man you spoke to - are you sure he was Chinese? B: No, I'm not sure. He

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14 Section 14 should / ought to Once you make a promise, you ( 57 ① can ② may ③ should ) keep it. ④ will Try! If you did something wrong, you ( ) for that. Dapologize ② can apologize ③ should apologize ④ might have apologized 158 There ( ① should 3 can ④ must ) to be more parking lots in the center of the city. ② ought Try! If you are worried about your health, you ( 「・・・すべきだ」と <弱い義務・助置 表す助動詞は? 「約束を守るべきだ」 いう意味にするには? 62 62 My1 whe ① n Try! Wh kee ① 「･･･すべきだ」という <弱い義務 表すには? Sec ) to eat less salt and 空所のあとのto <助動 目。to不定詞が 過 動詞はどれか? <助 walk more. ① had ② would ③ should ④ ought 159 You ( ① not should be ) noisy in the library. ② should be not ③ ought to not be ④ ought not to be gobl Try! 小さい子どもは夜遅くまで起きているべきではない。 Small children (not / ought / stay/to/ until / up) late at night. Section 15 過去の習慣・状態 並べかえ ought to 163 H は? E not の位置に注意しょ う (Try! 64 160 My son ( ) like playing baseball, but now he only plays soccer. ② is used to ③ used to ④ has used to loo T100 「(以前は) 「だった」という過去 の状態> を表すには? ) ( ) be 現在はそうではないこと を表すには? Try! mid of 補充 ① had to Try! 1. It's really hot today! The summer in Japan ( less hot in my childhood. 2. There ( ① got 161 My uncle ( doesn't. ① used to ) to be a restaurant around here some years ago. comes 4 went ② used (駒澤大) ) drink sake a lot when he was young, but now he ought to 3 is going to 4 has to hart Try! 1.以前, ケンはよく道に迷ったが,今はスマートフォンで行き方を見つけられる。 Ken ( smartphone. ) to get lost a lot, but now he can find his way with his 2. When I was a child, my father ( ① was used to tell ) me fairy tales. ② used to be told ③ used to be telling ④ used to tell (東洋大) T100 (以前は) よく 165 ･･･した」 という過去 習慣的動作)を表 すには? Tr 選択肢が表す意味を えよう 16

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+ 1 (6) 立...... 1 1 1 (7) + + 1.2.3 2.3.4 3.4.5 (8)Sn=1+2x+ 3 x 2 + 4 x 3 + 2+4x3+ 3 + ..... (7) (9) S = 12 n 1 2 + 3-4 - 4 8 + 5 + 16

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年 組 Can-do! 日本語で省略される主語などに注意して、英語の文を表現できる 日常行うことや、天候などについて英語で表現できる B 「今日は宿題がありません」 I don't have homework today. POINT 日本語の「~が」 「〜は」がいつも英語の主語になるとはかぎりません。 英語で表現するときには,どの語を主語にするかを考えて英文を作りましょう。 オレンジが好きです。 ⑥ 水泳が得意です。 7 秋は月が美しい. ⑧土曜日は休みです. I like oranges. I'm good at swimming. The moon is beautiful in the fall. We are off on Saturdays. Express Yourself! +上で学んだ表現を使ってみよう。 (1) 今日はクラブ活動 (club activity) がないことを伝えるとき today. I'm free after school. (2) 昨日は熱があって学校を欠席したことを伝えるとき a fever SO (3) 〔公園で〕 ここは春は桜 (cherry blossom) が美しい, と伝えるとき here in from school. C 「今日はとても暑い」 It's very hot today. POINT 天候・時間・距離 明暗などを表す場合, it を主語にします. ⑨ 昨日は雪がひどかった。 It snowed hard yesterday. ⑩ 何時ですか. 一4時です. What time is it? -It's four. ⑩ 京都から東京までどれくらいですか. How far is it from Kyoto to Tokyo ? 500キロくらいですね. Exp 部屋の中は暗かった. It's about 500km. It was dark in the room. Express Yourself! C +上で学んだ表現を使ってみよう。 (1) 右の絵の状況を伝えるとき o'clock now. but today. (2) 今いる場所から駅までどのくらい距離があるかを尋ねるとき from here to

確率の問題に困ってます💦 求め方を教えて頂きたいです!!

2 【II型 必須問題】 (配点 40点) 1個のサイコロを繰り返し振る. k回目 (k= 1, 2, 3, ...) に奇数の目が出たら,そ の目の数をxとし, 偶数の目が出たら, その目の数を2で割った商を とする. こ のとき, Sn=x1+x2+x3+... +x (n= 1, 2, 3, ...) と定める. (1) Sì = 3 である確率, S26である確率をそれぞれ求めよ。 (2) S12 である確率を求めよ. (3) S=12であったとき, S2=6である確率を求めよ.

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2 【II型 必須問題】 (配点 40点) 1個のサイコロを繰り返し振る. k回目 (k= 1, 2, 3, ...) に奇数の目が出たら,そ の目の数をxとし, 偶数の目が出たら, その目の数を2で割った商を とする. こ のとき, Sn=x1+x2+x3+... +x (n= 1, 2, 3, ...) と定める. (1) Sì = 3 である確率, S26である確率をそれぞれ求めよ。 (2) S12 である確率を求めよ. (3) S=12であったとき, S2=6である確率を求めよ.

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Ex. 14 Fill in the missing words so that both sentences will have the same meaning. ①I was hoping to have another cup of coffee there. = I was looking ( ) to ( ) another cup of coffee there. We talked of one thing or another until dawn broke. = We spoke of ( ) and ( ) until it got light. The Chicago police wanted us to notify them if we saw you. = The police in Chicago asked us to ( ) an eye ( = No one knows ( ) has ( ( ) her. 4 There's been no news of her since. )() you. ⑤My father doesn't smoke. My mother doesn't smoke, either.JIMA OPOW bin= My father doesn't smoke. ( ( )( )( ). ⑥Merry Christmas! -- Merry Christmas! = I wish ( ) a Merry Christmas. -- ( ⑦You're right! ) (H) to you. died ght arpand the Loinslet = You can ( ( () again! As soon as she saw him, she turned on her heel and left. =()( ) him, she turned around and walked ( bonaw ad To fami ).

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Ex. 13 Which one cannot be used to fill the blank? ①He's a clever inventor. -- I thought ( ), too. Ydnid 1. the same thing 2. so 2 She's quite lonely. She has ( 3. he was 4. it TS F ) friends. pro ems 1. a few dgilab 2. few 3. only a few 4. no Har ③I'm ( Ene 1. so 2. a lot ni do bib 4. extremely 4 They're quite wealthy, but ( A (a 1. still 2. for all that ) worried about what has become of her. Stasw gring 3. greatly swami in s 101 ) they're far from happy. on yellow 3. at that ⑤ She doesn't ( ) variety shows on TV. 1. like ⑥ We ( 1. must 2. enjoy 3. care for ) to do our best to win the next game. 2. intend 4. in spite of that Jon 2kw laq zid 4. fond of 3. expect 4. are going L 95

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Ex. 8 Read the sentences, filling in the missing pronouns. ). ) and two black ( ). ) understood in Japanese. ) has come to school. ) will be OK. The twins look exactly the same. I can't tell one from the (o). 2 Well, boys, goodbye. Take care of ( 3 They have three cats - a white ( 4 Those foreigners couldn't make ( ⑤Where are the twins today? ( ⑥ Lend me a pencil or a pen. ( ⑦Happy New Year! -- The ( ⑧The buildings in Tokyo are like ( ) to you. a&W (2 WH H ) one. WOH (o ) in New York. ⑨This sweater doesn't fit me. Please show me ( 10 I have a lot of chalk. I'll give you () if you don't have ( 18

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[等比数列・演習-5] 等比数列{ an}において、 初項から第n項までの和をSとする。 Sn=3,S3n=39 であるとき、 San を求めよ。