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
推荐题目
—Could you please come to the museum with me this afternoon?—Sorry，I ________．I have to take a piano lesson at 2 pm．
#78166
A
couldn’t
B
mustn’t
C
can’t
D
needn’t
He _______ have taken your car by mistake because he didn’t have the keys.
#63034
A
mustn’t
B
shouldn’t
C
couldn’t
D
needn’t
—Where is Zhang Hua? Is he in the classroom now?—He be there, for I saw him in the teachers’ office just now.
#75750
A
can’t
B
may not
C
shouldn’t
D
mustn’t