You ________ in person; a telephone would have been enough.
#62344
A
couldn't have come
B
needn't have come
C
shouldn't have come
D
mustn't have come
推荐题目
Tom’s score on the test is the highest in the class. He _____.
#62444
A
should study last night
B
should have studied last night
C
must have studied last night
D
must study last night
People ______ drive after drinking wine or beer according to the new laws. 
#75597
A
couldn’t
B
needn’t
C
wouldn’t
D
mustn’t