高考英語單項填空分類詳解(情態(tài)動詞)
61. The teacher __________ have thought Johnson was worth it or she wouldn’t have wasted time on him, I suppose. (2007安徽卷)
A. should B. can
C. would D. must
62. In crowded places like airports and railway stations, you __________ take care of your luggage. (2007北京卷)
A. can B. may
C. must D. will
63. My MP4 player isn’t in my bag. Where __________ I have put it? (2007福建卷)
A. can B. must
C. should D. would
64. The biggest problem for most plants, which ___ just get up and run away when threatened, is that animals like to eat them. (2007湖南卷)
A. shan’t B. can’t
C. needn’t D. mustn’t
65. — She looks very happy. She __________ have passed the exam.
— I guess so. It’s not difficult after all. (2007江蘇卷)
A. should B. could
C. must D. might
66. —Where is my dictionary? I remember I put it here yesterday.
—You __________ it in the wrong place. (2007江西卷)
A. must put B. should have put
C. might put D. might have put
67. —How’s your tour around the North Lake? Is it beautiful?
—It __________ be, but it is now heavily polluted. (2007全國I)
A. will B. would
C. should D. must
68. I told your friend how to get to the hotel, but perhaps I __________ have driven her there. (2007陜西卷)
A. could B. must
C. might D. should
69. — What does the sign over there read?
—“No person __________ smoke or carry a lighted cigarette，cigar or pipe in this area.” (2007四川卷)
A. will B. may
C. shall D. must
70. — My cat’s really fat.
— You __________ have given her so much food. (2007浙江卷)
A. wouldn’t B. couldn’t
C. shouldn’t D. mustn’t
71. —What do you think we can do for our aged parents?
—You __________ do anything except to be with them and be yourself. (2007重慶卷)
A. don’t have to B. oughtn’t to
C. mustn’t D. can’t
72. It is usually warm in my hometown in March, but it _________ be rather cold sometimes. (2008福建卷)
A.must B. can
C. should D. would
73. You don’t have to know the name of the author to find a book. You _________ find the book by the title. (2008湖南卷)
A.must B. need
C. can D. would
74. —I’m sorry. I _________ at you the other day.
—Forget it. I was a bit out of control myself. (2008江蘇卷)
A. shouldn’t shout B. shouldn’t have shouted
C. mustn’t shout D. mustn’t have shouted
75. What a pity. Considering his ability and experience, he _________ better. (2008江西卷)
A. need have done B. must have done
C. can have done D. might have done
詳解：
61. D。“must+have+過去分詞”表示對過去情況的肯定推測。句意為：我想，老師一定認為約翰遜是值得教的，要不然她就不會在他身上浪費時間了。
62. C。must在此表示“必須”。句意為：在像機場和火車站這樣的比較擁擠的地方，你必須要看好自己的行李。
63. A。can在此表推測，“can+have+過去分詞”表示對過去情況的推測，主要用于否定式或疑問句中。句意為：我的MP4不在包里，我會把它放到哪里去了呢？
64. B。can在此表示能力，can’t表示“不能”。此題所考查的知識點比較簡單，但由于句子結(jié)構(gòu)比較復(fù)雜，所以許多學生不是由于沒有弄清知識點而誤選，而是由于不理解句意而誤選。全句意為：對于大多數(shù)植物來說，它們所面臨的最大問題是(有些)動物喜歡以它們?yōu)槭澄�，而當它們受到威脅時卻不能起身逃跑。
65. C�！癿ust+have+過去分詞”表示對過去情況的肯定推測。由于“她看上去氣色不錯”，而且“考試也不難”，所以她一定是通過了考試。
66. D。根據(jù)I remember I put it here yesterday可知，put用的是一般過去時，也就是說空格處是對過去情況作推測，故可排除A和C。再根據(jù)should have put(本來應(yīng)該放在)和might have put(可能已放在)的不同意思和句子語境可知，此題應(yīng)選D不能選B。
67. C。it should be后承前省略了beautiful一詞，即指應(yīng)該是很美的，但由于受到了嚴重的污染，所以不美了。
68. D。比較：“could+have+過去分詞”的意思是“本來可以”“本來應(yīng)該”“本來能夠”; “must+have+過去分詞”的意思是“一定已經(jīng)”; “might+have+過去分詞”的意思是“本來可以”“本來可能”; “should+have+過去分詞”的意思是“本來應(yīng)該”。根據(jù)句意，顯然只有D最佳。
69. C。shall在陳述句中用于第二人稱和第三人稱時，可表示說話者的允諾、告誡、威脅、命令、規(guī)定、必然性等，如：You shall suffer for this. 你會為此事吃苦頭的。(表威脅) Tell him that he shall have the book tomorrow. 告訴他這本書明天給他。(表允諾) Persons under 18 shall not be employed in night work．不滿18歲的人不得雇傭干夜間工作。(表規(guī)定)
70. C。shouldn’t have done的意思是“本來不應(yīng)該做某事”。
71. A。don’t have to意為“不必”。句意是：你不必做什么，只需陪陪他們，真誠地對待他們。
72. B。can表示推測時通常只用于否定句或疑問句，很少用于肯定句。但有兩種情況是例外（即可用于肯定句）：一是表示純理論上的可能性，二是表示“有時”，如：Even experienced teachers can make mistakes. 即使是有經(jīng)驗的教師也可能出錯。She can be very unpleasant. 她有時很令人討厭。
73. C。比較四個選項的意思，并分別代入句中，只有C最符合語境。
74. B。由于must表示推測時通常不用于否定句，所以可排除C和D；再根據(jù)句中的the other day（幾天前）可知，此處談的是過去的情況，故要用“情態(tài)動詞+完成式”，即答案移過B。
75. D。根據(jù)語法規(guī)則可知A和C不對，因為need和can用作情態(tài)動詞時通常只用于否定句或疑問句，不用于肯定句；再根據(jù)句意，選D最佳。句意為：真是遺憾！考慮到他的能力和經(jīng)驗，他本來可以做得更好的。
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