Simon is very regretful. If he had been more careful, he _____ such a big mistake.
#87008
A
hasn’t made
B
hadn’t made
C
won’t have made
D
wouldn’t have made
推荐题目
You look very tired. You ____ late last night.
#87853
A
needn’t sit up
B
didn’t need to sit up
C
shouldn’t sit up
D
needn’t have sat up
 If you______to her about it yesterday, you ______ what to do now. 
#86633
A
should have spoken; would know
B
spoke; would know
C
had spoken; would have known
D
had spoken; would know