---There is somebody knocking at the door. Who________ it be?---I’m not sure. It ________ be a postman.
#75825
A
may; must
B
will; can
C
can; may
D
may; will
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----Must I finish the work today, Mom?----No, you _______________. You can finish it tomorrow.
#75895
A
mustn’t
B
can’t
C
needn’t
D
shouldn’t
— May I smoke here?— No, you ______ . This is a no-smoking room.
#75754
A
needn’t
B
mustn’t
C
couldn’t
D
wouldn’t
My sister met him at the Grand Theater yesterday afternoon, so he ________ your lecture.
#63289
A
couldn’t have attended
B
needn’t have attended
C
mustn’t have attended
D
shouldn’t have attended
They _____ England and they will be back next week.
#77676
A
have gone to
B
have been to
C
have gone in
D
has been on
------Thank you very much for giving me a hand when I was in trouble.------Don’t mention it. I only did what anyone else _______ in my place.
#63490
A
must do
B
might do
C
would have done
D
can have done