That day they ________ there on foot, but they took a taxi. The place was only 50 meters away from the railway station. 
#88127
A
must have gone
B
shouldn’t have gone
C
could have gone
D
couldn’t have gone
推荐题目
It ___ be the postman at the door. It’s only six o’clock.
#87620
A
mustn’t
B
can’t
C
won’t
D
needn’t
Tom suggested that we __________such a meeting, but Jenny insisted that it _________of great importance.
#90006
A
not hold ; should be
B
didn't hold ; be
C
hold ; was
D
not hold ; was
 It was ordered that all the soldiers ____ to the front.
#87922
A
should send
B
must be sent
C
be sent
D
must go