—Perhaps John"s not in.—______.Look,the light"s on.A.Yes,he can be at homeB.No,h

—Perhaps John"s not in.—______.Look,the light"s on.A.Yes,he can be at homeB.No,h

题型:不详难度:来源:
—Perhaps John"s not in.
—______.Look,the light"s on.
A.Yes,he can be at home
B.No,he couldn"t go out
C.Yes,he must be at home
D.No,he needn"t go out

答案
C
解析
由“Look,the light"s on”可知他此刻一定在家里,所以用must be at home表示“对事情的肯定推测”。
举一反三
It is strongly suggested that measures _____students to cheat in the exams.
A.be taken to prevent B.be taken to forbid
C.are taken to preventD.are taken to forbid

题型:不详难度:| 查看答案
—I’m thinking of losing weight these days.
—Oh, you_____be out of your mind. You’re 50 kilograms at the most!
A.willB.shouldC.mayD.must

题型:不详难度:| 查看答案
—No wonder you caught a cold. You ________out last night without a coat.
—I know how silly I was.
A.shouldn’t have goneB.mustn’t have gone
C.couldn’t have goneD.mightn’t have gone

题型:不详难度:| 查看答案
Terribly sorry, I came home at last. I _____of the supermarket ________so crowded.
A.should have thought; beingB.should think; being
C.could have thought; wasD.could think; was

题型:不详难度:| 查看答案
——You didn’t wait for Mr. Black last night, did you?
——No, but we ____. He didn’t return home at all.
A.couldn’t haveB.needn’t have
C.didn’t need toD.should wait have

题型:不详难度:| 查看答案
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