He ___ at the meeting this morning.He was in hospital at the time.
#89025
A
couldn’t have spoken
B
mustn’t have spoken
C
shouldn't have spoken
D
needn’t have spoken
推荐题目
I was really anxious about you. You _____ __ home without a word. 
#90288
A
mustn’t leave
B
shouldn’t have left
C
couldn’t have left
D
needn’t leave
 Since the road is wet this morning, _____ last night.
#90138
A
it must rain
B
it must be raining
C
it must have rained
D
it must have been rain