--I'm told that John had another car accident this morning.--I believe not. He ________so careless.
#89318
A
shouldn't have been
B
wouldn't have been
C
couldn't have been
D
mustn't have been
推荐题目
They enjoyed fresh watermelon last fall because they______ watermelon seeds in the spring. 
#87818
A
were planting
B
would plant
C
have planted
D
had planted
You are late. If you ____ a few minutes earlier, you ____ him. 
#86905
A
came; would meet
B
had come; would have met
C
come; will meet
D
had come; would met
He called to tell me that you are in hospital, otherwise I ______ nothing about it.
#86456
A
had known
B
wouldn’t have known
C
would know
D
would have known