1.John agreed to the suggestion that his students ________ two weeks to prepare for the exam.
A.give B.should give
C.be given D.would be given
[解析]suggestion, advice 等后的同位語(yǔ)從句用虛擬語(yǔ)氣。should do 或 should be done, 其中 should 可以省略，his students 與 give 之間為被動(dòng)關(guān)系，故C項(xiàng)正確。
[答案]C
2.You ________ pay too much attention to your reading skill, as it is so important.
A. can't B. should
C. must D. needn't
[解析]本題考查情態(tài)動(dòng)詞的特殊用法。句意：你一定要特別注意你的閱讀技巧，因?yàn)樗侨绱酥匾an't...too... 為固定句式，意為“再……也不為過;一定要……”，故A項(xiàng)正確。
[答案]A
3.________ everyone have a great Spring Festival!
A. Can B. Must
C. May D. Should
[解析]本題考查情態(tài)動(dòng)詞的特殊用法。句意：愿大家春節(jié)快樂!情態(tài)動(dòng)詞 may 可以表祝愿，用于倒裝句中，故C項(xiàng)正確。
[答案]C
4. Naturally, when I tell her what to do, my daughter ________ go and do the opposite!
A. may B. can
C. must D. should
[解析]此處主要考查情態(tài)動(dòng)詞 must 的特殊意思“非要，非得，偏要，偏偏”，表示與說話人愿望相反。句意：通常，我告訴女兒做什么時(shí)，女兒非得做相反的事。
[答案]C
5.—May I smoke here?
—If you ________， choose a seat in the smoking section.
A. should B. could
C. must D. may
[解析]句意：—我可以在這兒吸煙嗎?—如果你一定要吸的話，請(qǐng)?jiān)谖鼰焻^(qū)選個(gè)座位。由語(yǔ)境可知，此處考查 must 表示“非得，偏要”這種語(yǔ)氣的用法。
[答案]C
6.—Can I pay the bill by check?
—Sorry, sir. But it is the management rule of our hotel that payment ________ be made in cash.
A.shall B.need
C.will D.can
[解析]shall 與第二、三人稱連用，表示命令，警告，允諾等語(yǔ)氣。
[答案]A
7.Whenever we met, Lily ________ greet me first though I was younger than her.
A. must B. would
C. should D. could
[解析]句意：不管我什么時(shí)候遇見莉莉，雖然我比她年輕，她總是先向我打招呼。由語(yǔ)境可知，此處用 would 表示“過去常�！保高^去動(dòng)作的重復(fù)，B項(xiàng)正確。
[答案]B
8.—Mum, I am sorry, but I failed in the English exam.
—So you ________ get the MP4 you want. I am sorry, too.
A. shall not B. might not
C. needn't D. shouldn't
[解析]根據(jù)所學(xué)知識(shí)可知 shall 用于陳述句中的第二、第三人稱時(shí)，表示說話人的意圖、允諾、警告、命令、決心等。由此可知此題的答案應(yīng)該選擇A。
[答案]A
9.According to the school rules, no student ________ go out of school without the permission of the teachers.
A. will B. must
C. may D. shall
[解析]主要測(cè)試 shall 的特殊用法：shall 用在條約、規(guī)章、法令等文件中表示義務(wù)或規(guī)定，一般用于第三人稱。
[答案]D
10.—What time ________ I pick you up at your house tomorrow, sir?
—I haven't decided on the time. But I will call you.
A. may B. can
C. will D. shall
[解析]句意：—先生，我明天什么時(shí)候到你家來接你?—我還沒有決定時(shí)間。但我會(huì)給你打電話。情態(tài)動(dòng)詞 shall 用于第一、第三人稱的疑問句，表示請(qǐng)求或征求對(duì)方意見，此處為征求對(duì)方意見。
[答案]D
11.I can't imagine there ________ be a shortage of water in Yunnan, the southwest of China where there used to be adequate rain.
A. could B. must
C. might D. should
[解析]句意：我想像不出曾經(jīng)雨水充沛的中國(guó)西南部的云南竟然缺水。should 可以表示一種語(yǔ)氣，意為“竟然”，符合語(yǔ)境。
[答案]D
12.—How's your tour around the North Lake? Is it beautiful?
—It ________ be, but it is now heavily polluted.
A. will B. should
C. would D. must
[解析]句意：—你的環(huán)北湖之旅怎么樣?那兒美嗎?—它應(yīng)該很美，但現(xiàn)在已嚴(yán)重污染了。should，“按常理該，應(yīng)該”，符合語(yǔ)境。
[答案]B
13.On some British streets, there ________ be as many as five different garbage cans—that's confusing!
A.can B.have to
C.must D.shall
[解析]can 表示推測(cè)，意為“可能會(huì)”。
[答案]A
14.—Margaret ________ stay at home all day long in front of the computer.
—That's right. She should go to the fitness center with us.
A. doesn't have to B. couldn't
C. oughtn't to D. may not
[解析]句意：—Margaret 不應(yīng)該整天待在家里坐在電腦前。—對(duì)。她應(yīng)該跟我們到健身中心來。doesn't have to“不必”，相當(dāng)于 needn't;couldn't“不能夠，不可能”;oughtn't to“不應(yīng)該”，相當(dāng)于 shouldn't;may not“或許不”;由語(yǔ)境可知C項(xiàng)正確。
[答案]C
15.Hurry up! They ________ for us at the crossing.
A. must wait B. must have waited
C. must be waiting D. may wait
[解析]本題考查情態(tài)動(dòng)詞表推測(cè)。句意：快點(diǎn)!他們肯定在十字路口等我們。must 用于肯定的推測(cè)，意為“肯定會(huì)”;must be doing 強(qiáng)調(diào)某個(gè)動(dòng)作現(xiàn)在肯定正在進(jìn)行，符合語(yǔ)境。
[答案]C
16.Jackie, you ________ hang all your clothes in the room like this!
A.wouldn't B.needn't
C.mustn't D.oughtn't
[解析]mustn't 表示禁止，意為“千萬(wàn)不要”。
[答案]C
17.Holiday shopping ________ be a tiring experience. There are so many places to visit and choices to make.
A. can B. may
C. shall D. will
[解析]句意：假期購(gòu)物可能是一段累人的經(jīng)歷。有許多地方要看，許多選擇要做。can“可能”，語(yǔ)氣較肯定;may“或許”，語(yǔ)氣較弱;由語(yǔ)境可知，A項(xiàng)正確。
[答案]A
18.—Listen ! There is a knock on the door. Who ________ it be?
—It must be Jack. Just now I sent for him.
A. shall B. can
C. must D. might
[解析]句意：聽!有敲門聲。會(huì)是誰(shuí)呢?—肯定是杰克。剛才我派人去請(qǐng)他了。can 表推測(cè)時(shí)，往往用于疑問句和否定句;must 表推測(cè)時(shí)，只用于肯定的陳述句;might“或許”，語(yǔ)氣較弱;由語(yǔ)境可知，B項(xiàng)正確。
[答案]B
19.Hiking trips ________ sound exciting to most kids, but few realize they ________ be uncomfortable and even dangerous.
A. may; can B. must; should
C. would; should D. can; will
[解析]句意：遠(yuǎn)足旅行對(duì)大多數(shù)孩子來說或許聽起來很令人興奮，但很少有孩子意識(shí)到這些旅行可能會(huì)不舒服，甚至是危險(xiǎn)的。由語(yǔ)境可知，兩個(gè)空都表推測(cè)，指客觀上的可能性，故A項(xiàng)正確。can“可能”;may“或許”，可能性較 can 弱。
[答案]A
20.—Where will you start your work after graduation?
—Mmm, it's not been decided yet. I ________ continue my study for a higher degree.
A. need B. must
C. would D. might
[解析]句意：—你畢業(yè)后到哪里開始工作?—還沒決定呢。我可能會(huì)繼續(xù)我的學(xué)業(yè)，拿一個(gè)高一點(diǎn)的學(xué)位。need“需要”，作情態(tài)動(dòng)詞用時(shí)只用于否定和疑問句中;must 表示肯定的推測(cè);would“會(huì);過去常�！�;might“或許”;由前置語(yǔ)境 it's not decided yet 可知，應(yīng)選 might。
[答案]D
