--- Who ______ it be that is singing in the next room?--- It _______ be Lucy, but I am not sure.
#86933
A
can ; may
B
may ; can
C
can; must
D
must; may
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If you go into a store and feel that the clerk is being rude, stop and think that she____ a tough day, and put yourself in her shoes.
#88069
A
may have
B
may have had
C
must have
D
should have had
----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.
#87433
A
must do
B
might do
C
would have done
D
can have done
—I left my handbag on the train, but luckily someone gave it to a railway official.—How unbelievable to get it back！I mean, someone ________it.
#86552
A
will have stolen
B
might have stolen
C
should have stolen
D
must have stolen
-Is Jack on duty today?-It ____ be him. It’s his turn tomorrow.
#87485
A
mustn’t
B
won’t
C
can’t
D
needn’t