Who is the man over there? Is it Mr. Wu? — It ________ him, but I am not quite sure.
#74742
A
may be
B
maybe
C
is
D
must be
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You ________ in person; a telephone would have been enough.
#62344
A
couldn't have come
B
needn't have come
C
shouldn't have come
D
mustn't have come
--Excuse me，Mr. Li,_________ I close windows? It’s cold now.--Yes，you__________
#76604
A
can; can't
B
can; may
C
may; can’t
D
may; can
_______ I read English loudly in the morning, I would start from today on.
#63459
A
Must
B
Should
C
Might
D
Shall
—What qualities does a person need to become an astronaut?—He ________be knowledgeable，independent and creative.
#62462
A
can
B
may
C
would
D
should