-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
Every solid object ______ reflect a sound，varying according to the size and nature of the object．
#87543
A
must
B
shall
C
will
D
should
Why didn't you tell me there was no meeting today? I _____ all the way here _____the heavy snow.
#89466
A
needn't have driven；through
B
can't have driven；across
C
mustn't have driven；through
D
shouldn't have driven；cross
In this country it is required that anyone who wants to settle here ______ to pass this kind of test.
#86746
A
has
B
must have
C
have
D
will have
—May I speak to the patient now?—No, you _____. He is too weak now.
#90168
A
needn’t
B
may not
C
mustn’t
D
oughtn’t