1.I________to my cousin’s birthday party last night，but I was not available. (2013·安徽，28)
A.went
B.had gone
C.would go
D.would have gone
答案：D
2.It ________be the vocabulary that caused you the problem in the exercise because you know a lot of words.(2013·安徽，34)
A.may B.couldn’t C.should D.needn’t
答案：B
3.I should not have laughed if I________you were serious.(2013·江蘇，30)
A.thought
B.would think
C.had thought
D.have thought
答案：C
解析：考查虛擬語(yǔ)氣。句意為：如果我當(dāng)時(shí)想到你是認(rèn)真的，我就不會(huì)笑了。由句意知，此句是與過(guò)去事實(shí)相反的虛擬語(yǔ)氣，故從句結(jié)構(gòu)為had done。
4.—Why are your eyes so red?You________have slept well last night.
—Yeah，I stayed up late writing a report.(2013·四川，5)
A.can’t
B.mustn’t
C.needn’t
D.won’t
答案：A
5.My mom suggests that we ________ eat out for a change this weekend.(2013·陜西，12)
A.should
B.might
C.could
D.would
答案：A
解析：句意為：母親提議這個(gè)周末出去吃飯換換口味。suggest(建議)接賓語(yǔ)從句時(shí)謂語(yǔ)動(dòng)詞用(should)do。
6.Since nobody gave him any help，he ________ have done the research on his own.(2013·大綱全國(guó)，26)
A.can
B.must
C.would
D.need
答案：B
7.If we________a table earlier，we wouldn’t be standing here in a queue.(2013·北京，34)
A.have booked
B.booked
C.book
D.had booked
答案：D
解析：考查虛擬語(yǔ)氣。句意為：如果早些預(yù)訂飯桌，我們現(xiàn)在就不會(huì)站在這兒排隊(duì)了。if從句是對(duì)過(guò)去情況的假設(shè)，故用過(guò)去完成時(shí)態(tài)。
8.—You needn’t take an umbrella.It isn’t going to rain.
—Well，I don’t know.It________do.(2013·北京，35)
A.might
B.need
C.would
D.should
答案：A
解析：考查情態(tài)動(dòng)詞用法。句意為：——你不必帶傘。天不會(huì)下雨�！也恢�，可能會(huì)下雨吧。might“可能”，表推測(cè)，且可能性較小。
9.Harry is feeling uncomfortable.He________too much at the party last night.(2013·遼寧，31)
A.could drink
B.should drink
C.would have drunk
D.must have drunk
答案：D
10.No one________ be more generous;he has a heart of gold.(2013·天津，9)
A.could
B.must
C.dare
D.need
答案：A
解析：考查情態(tài)動(dòng)詞。句意為：沒(méi)人比他更慷慨;他有一顆金子般的心�！癗o one could be more generous”是否定詞和比較級(jí)連用，表達(dá)最高級(jí)含義，A項(xiàng)could可以在否定句中表示推測(cè)，為正確答案。B項(xiàng)表推測(cè)，只用在肯定句中;dare和need不符合句意。