---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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—Guess what？I came first in that contest.—Great！You ________ a lot during the past two weeks.
#62488
A
must practise
B
should practise
C
should have practised
D
must have practised
This toy Mickey Mouse _______be Amy's. she's the only kid at the picnic.
#76524
A
must
B
can
C
need
D
can't
—I can’t stop smoking, doctor. — For your health, I’m afraid you ______.
#77932
A
may
B
can
C
have to
D
need