No one answered my phone, so the Whites ______ be at home. [ ]A. shouldn"t B

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No one answered my phone, so the Whites ______ be at home. [ ]
A. shouldn"t
B. couldn"t
C. mustn"t
D. needn"t

答案

举一反三

— Are you coming to the party?
— I"m not sure. I _____ go to the concert instead. [ ]
A. must
B. might
C. should
D. would

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Look! Tom is too sleepy to work. He _____ up watching TV. [ ]
A. mustn"t have stayed
B. shouldn"t have stayed
C. mustn"t stay
D. ought not to say.

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— What do you think of Peter?
— He ______ be really difficult to get along with even though he"s a nice person in general.[ ]
A. shall
B. should
C. must
D. can

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It has been announced that all the candidates ______ remain in their seats until all the papers
have been collected.[ ]
A. can
B. will
C. shall
D. should

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— Can I get out in the daytime?
— No. The school rules state that no child ______ be allowed out during the day unless
accompanied by an adult. [ ]
A. shall
B. need
C. must
D. should

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