Don't handle the vase as if it ________ made of steel.(2012·北京)
#86543
A
is
B
were
C
has been
D
had been
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--- He didn’t turn up last night, did he? --- Yes. But he _______. The meeting had been cancelled.
#88068
A
shouldn’t have come
B
needn’t have come
C
didn’t need to come
D
needn’t come
 If human beings had been a bit less greedy and cruel, more birds and animals _______dying out.
#89245
A
ought to avoid
B
could have been avoided
C
should have avoided
D
might have avoided
We could have arrived earlier, but Tom insisted that I _________ too fast.
#87549
A
mustn’t drive
B
couldn’t drive
C
not drive
D
not driving