---Look at that girl! Is that Susan?---No , it _______ be her. She has gone back to her hometown.
#74215
A
mustn’t
B
can’t
C
must
D
might
推荐题目
—Must I take the medicine every day?— No, you______.
#77227
A
must not
B
may not
C
haven’t
D
needn’t
These shoes aren’t comfortable. You __________ wear them.
#75671
A
should
B
could
C
shouldn’t
D
can