The public transportation is very convenient in that big city, so there ________ be any difficulty in traveling around.
#62406
A
mustn't
B
wouldn't
C
shouldn't
D
needn't
推荐题目
The man ______ be my father. My father is much taller.
#76764
A
can
B
must
C
can't
D
mustn't
He ________ your car by mistake because he didn't have the keys. 
#62484
A
mustn't have taken
B
shouldn't have taken
C
couldn't have taken
D
needn't have taken