8.If they _________ to do this work, he might do it some other way.

　 A. were　　 B. should　　 C. will　　 D. can

7.It must have snowed last night,____?

　 A.isn’t it　　 　　　B.haven’t he　 　　　C.mustn’t it　 　　　D.didn’t it

6. There ________ be a lot of small houses on both sides of the street.

　 A. used to　　　　　 B. get used to　　　　　　　　　 C. would　　　　　　　 D. did use to

5.Bruce must have been in China for a long time,_____?

　 A.hasn’t he　　 　　B.mustn’t he　 　　C.Isn’t he　 　　　　D.wasn’t he

4. The girl _________ out alone at night.

　 A. dare not go　　　　 B. dare not to go　　　　　　 C. dares not go　　　　　 D. does not dare go

3. You _________ pay more attention to your spelling next time.

　 A. would　　 　 B. should　　 　　　　 C. will　　 　　　　　 D. shall

2. You _________ do the exercise if you don't want to.

　 A. may not　　 　　　 B. can't　　 　　　　　 C. mustn't　　 　　　 　　　 　D. needn't

1.------"May I go now?"

　 -------"No, you ________. "

　 A. mustn't　 　　　　　　 　B. needn't　　　　　 　　 C. mightn't　 　　　　　　　 　D. won't

8.should

　　 ⑴可以表示估计或推测上的´应该`，还可以翻译成可能，该，估计，按理应当等等。

　 The report　 is written after careful investigation , so it should be reliable .

　 这份报告是经过周密调查写成的，所以该是可靠的。

　 So far so I know you shouldn`t have any problems there .

　 据我所知，你们在那儿不应该有什么麻烦。

　 They should be there by now ,I think .我想他们现在该到那儿了。

⑵表示惊讶，不以为然等情绪，用于某些句型中，多译为´竟然`；经常用于疑问句和感叹句中表示

意外，惊异等情绪，常和疑问词(why , how , whom，what)连用，而且疑问句不必回答。

I think it is dreadful that anyone should be so miserable .我想非常糟糕，每个人都竟然如此悲伤。

It seems unfair that this should happen to me .这种事情竟然发生在我的身上，好像不公平。

You can´t imagine that such a good student like him should fail in the exam .

你无法想象像他这样如此好的学生竟然在考试中失败了。

Why should I fear ? 我会害怕？(=I don`t fear at all .)

What should I see but misery ?所见皆是一片凄惨。(=I could see nothing but misery .)

Should you be so silly ? 你会这么傻吗？(=You are not so silly .)

I was thinking of going to see John when who should appear but John himself .

我还想着去看约翰，想不到约翰来啦。

It is a marvel that she should have survived the disaster .她竟从那场灾难中幸存，真是个奇迹。

I can`t bear that he should speak ill of me .他竟说我的坏话，我难以忍受。

I consider it a good joke that he should marry such a woman .他竟然同这样一个女子结婚，真是个笑话。

That he should speak to you like that is quite astonishing.他竟然这样对你说话，实在让人吃惊。

练习题：

-----When can I come for the photos ? I need them tomorrow afternoon.

　 -----They_______be ready by 12:00.

　　　　　 B.should　　　　　 C.might　　　　　 D.need　　 　

‚You can`t imagine that a well-behaved gentleman_______be so rude to a lady .

　 A.might　　　　 B.need　　　　　　 C.should　　　　　 D.would　

巩固练习

7．may / might well+动词原形或may/ might as well+动词原形

　May /might well+动词原形意思为“理应，有足够的理由”；may / might as well +动词原形

　 意思为“还不如，不妨，还是…的好”，表示某人应该做某事，因为没有更好的事、没有更有趣的

　 事或没有更有用处的事可以做。May as well 可能比might as well 更加肯定一点。

　 He may well be proud of his son .他大可以他的儿子为荣。

　 She may well say so .她说的对。(有足够的理由这样说)

　 It is very late ,so you may / might as well go to bed .夜深了，不妨去睡吧 。

　 We may / might as well have something to eat .我们还不如吃点东西。

　 You may / might as well repeat the experiment .你还是把这个实验重做一遍为好。

　 注：may / might (as) well 的否定式是may / might (as)well+not .

　 练习题：

　 ①Since she is angry , we_______her alone .

　　 A.had better leaving　 B.should leave　　 C.might as well leave　　 D.had rather leave