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
"They didn’t take measures in time, otherwise the explosions ____."some experts said.
#87726
A
wouldn’t happen
B
didn’t happen
C
wouldn’t have happened
D
mustn’t have happened
You _____ him the news; he knew it already. 
#89557
A
needn’t tell
B
needn’t have told
C
mightn’t tell
D
mightn’t have told