2020学年高中英语Unit21HumanBiologySectionⅥGrammar情态动词和表达

1、文档来源为:从网络收集整理.word 版本可编辑.欢迎下载支持Unit 21 Section 6情态动词和表达法课时语法专练卜13I.单句改错1. When he was a little boy,he used to swimming in the river nearby.答案：swimmings swim2. She mustn' t have been to your home.She doesn ' t know your address.答案： mustn' t-can' t3. It ' s hard to say what kind of

2、 person he is.Sometimes he is very friendly at other times he may be very cold.答案：ma尸can4. 一 Daddy, can you buy me a new MP5 when you go to Beijing? You will get one if you are admitted to a key middle school.答案： will fshall5. 一 Must I finish all the work before noon? No, you mustn' t.答案： mustn&

3、#39; tfneedn' t/don ' t have to6. You can' t return the dictionary now.You can keep it till next week if you like.答案：can' tfneedn' t7. Dare you to tell your parents your school records?答案：去掉to8. 一 Could I use this computer? Yes, you could.答案： 答语中的could 一can9. If you may goat leas

4、t wait till the rain stops.答案：ma尸 must10 She told him he ought not do it.答案：not 后加 to11 Must I have a word with you ？ It won t take long.答案：MustfCan12 What are you doing this Saturday? I m not sure ， but I should go to the Rolling Stones concert.答案：shouldfmightn.完成句子13 你会遭到报应的。Yousuffer for this.答案：

5、 shall14 你竟然对你的父母做出那样的事。Youthat to your parents.答案： should have done15 离开水，鱼会死的。Fishdie out of water.答案： will16 你们以前是朋友吗？be friends?答案： Used you to/Did you use to17 在当地向导的引领下我们两个得以过河而逃离了敌军。We twocross the river and escaped from the enemy with alocal guide leading the way.答案： were able to18 你们的新保姆怎么样

6、？我们找不到更好的了。我们的孩子们都很喜欢她。 How s your new babysitter? We ask for a better one.All our kids love her so much.答案： couldn t19 我仍然记得我的快乐童年，那时母亲常会在周末带我去迪斯尼乐园。I still remember my happy childhood when my mothertake meto Disneylandat weekends.答案： would20 我感到很不好受，虽然他们自己很穷，竟然还给我带来食物。It was sad to me that they ，

7、so poor themselves ， bring me food.答案： shouldm.用所给动词的适当形式填空1 If the enemy (dare) to invade us， we ll wipe them out.答案：dares2 You needn t(tell) them what had happened between us.答案：have told3 You (pass) the exam early ， but you were so careless as to makeso many mistakes.答案： could have passed4 Look what you ve done ！ You ought to(do) the experiment morecarefully.答案： have done5 He can t(write) this letter because it is German