-The terrible accident might not have happened had the driver been more careful. --But he _____.
#86997
A
wasn’t
B
didn’t
C
hadn’t
D
doesn’t
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
The Chinese teacher looks so pale. She ___ be ill.
#88979
A
must
B
mustn’t
C
can
D
need