Last night Li Ping watched the football match at my home, so he________ in his office.
#63219
A
needn’t have worked
B
mustn’t haven’t worked
C
shouldn’t have worked
D
couldn’t have worked
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—________ you play the piano for us?—Sorry, I can't play the piano, but I can sing for you.
#75423
A
Can
B
Must
C
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D
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—When I first got to Harvard, my awkward English brought me great trouble.——Oh, dear, it _______a struggle for you to keep up with other students.
#63055
A
might be
B
can be
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could have been
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—Where___________I meet you tomorrow morning ?—I haven’t decided the place. But I’ll call you soon.
#63297
A
would
B
shall
C
might
D
can