9と10と16が分からなくて困ってます。教えてください。よろしくお願いします。 9 She was ( )… A.divorced B. engaged with 16 The staffers … です

章人yhC(2 )by 町 すまの 11 Ths fairdresser ( と ん jooked B.was looked uP /Cws jooked up 12.7hemodelwasseen( と )therunWaツ by the perSonS COnCCTT Aiobeemtered B.toenter C.enter D. entered 会字に行<よう 鋭倫さ侍 上刀(-ま>て I3W(細0 )to go to the offce by my boss. A. was persuaded B. persuaded C.imn isted Wi ・1nSlst insi 外人22 に 1 う ID as insisted し2リン (W電) 2 7

なぜdifficultの前にbe動詞は不要なのですか？

IL み企全 ンハグそテタキ 2 デてAAだCNG culture in Hme. 文 in ime |やがて, そのう7 12. The producer happened to hear her song on the street. UNIT18 不定詞ら 回 7.1.1 ⑫) ICs necessary to learn from mistakes. 1. ICs necessary (for you) to do your best. 2. Ifs important to think about the environment. 回 7.1.2 (②) Do you think it possible to persuade him? 1.Do you think it possible to build a house here? 2. 1 find it NE to get up early every dy なぜ 前いyと 回 7.2.1 It was a mistake for you to accept thatlthel] job. 1. It was a mistake for him to accept their offer 2.It wasn't[was not] a mistake for my grandmother to buy the computer 7.2.2 My motto is never to make the same mistake twice. 1. Her motto is not to give up. 2. Our goal is not to make a mistake. 固 7.9.1 ①) The economy seems to be gTOWing. 草間肌明暗科細拉介座ら aa

4番の文の、 it のあとになんでbe動詞いらないんですか？？

この問題3つともわかりません。 わかる方、教えてください！

Do you think it possible to persuade him? この文で、なぜpossible は形容詞なのに前にbe動詞がつかないのでしょうか？

教えてください！お願いします！

分詞構文で、現在分詞を使う場合と過去分詞を使う場合は、何が違うんでしょうか？ 何か見分け方ありますか？