—The traffic is heavy now, so Mike       come late.—Let’s wait ten more minutes.

—The traffic is heavy now, so Mike       come late.—Let’s wait ten more minutes.

题型:不详难度:来源:
—The traffic is heavy now, so Mike       come late.
—Let’s wait ten more minutes.
A.canB.needC.mayD.shall

答案
C
解析

试题分析:can会;need需要;may也许;shall将要。句意:--现在交通拥挤,所以迈克有可能来晚。--让我们再等他十分钟。
点评:can表示推测时,多用于肯定句和疑问句。当用于肯定句时,指“有时可能会”,是理论上的可能,其时间意义宽泛不具体。例如:Even experienced teachers can make mistakes.
may / might表示推测时,用于肯定句,表示无把握的推测,意为“可能,或许”。 (might 比may 更加不肯定,更无把握)。例如:He may/might be writing a letter now.
即学即练:Food poisoning      cause death.
A.can                B.need             C.may             D.shall
解析:A 表示理论上的可能通常是用can,且可以用于肯定句中。句意:食物中毒可导致死亡。
举一反三
--May I pick a flower in the garden?
--No, you _________.
A.needn’tB.mustn’tC.can’tD.won’t

题型:不详难度:| 查看答案
---Could I have a word with you, mum?
---Oh, dear, if you______.
A.canB.mustC.mayD.should

题型:不详难度:| 查看答案
— When shall we meet your cousin at the station?
— His plane took off two hours ago, and it        reach at 5 pm.
A.shouldB.couldC.mustD.can

题型:不详难度:| 查看答案
Helen ____ go on the trip with us, but she isn’t quite sure yet.
A.shallB.mustC.mayD.can

题型:不详难度:| 查看答案
---These grapes look really beautiful.
----They ______! See the price $3.99 a pound. Very expensive, aren’t they!
A.wouldB.couldC.mightD.should

题型:不详难度:| 查看答案
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