—My goodness! The accident might not have happened if we had done it more carefully.—But we .
#87618
A
haven’t
B
wouldn’t
C
hadn’t
D
didn’t
推荐题目
I was really anxious about you.You ________ home without a word.
#86628
A
mustn't leave
B
shouldn't have left
C
couldn't have left
D
needn't leave
Look at the trouble I’m in. If only I your suggestions.
#87504
A
followed
B
would followed
C
had followed
D
should followed
---Must I fill in the form? --No, _______.
#87762
A
you must
B
there’s no need
C
you needn’t have
D
you needn’t to
One of the requirements for the experiment is that the material _____ to its burning temperature．
#86983
A
is heated
B
will be heated
C
be heated
D
would be heated