If we ___________some measures, we might have prevented the environmental pollution．
#87466
A
take
B
had taken
C
took
D
have taken
推荐题目
The captain urged that the mission ______ before dark.
#88032
A
must be finished
B
be finished
C
ought to be finished
D
was finished
Even though I’d hurt my leg, I＿＿＿＿＿＿ swim back to the river bank.
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A
could
B
might
C
had to
D
was able to
(2013·高考安徽卷)I________ to my cousin’s birthday party last night，but I was not available.
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A
went
B
had gone
C
would go
D
would have gone
David did not regret saying what he did but felt that he it differently.
#87310
A
could express
B
would express
C
could have expressed
D
must have expressed
、To our great surprise, the disabled person made a requirement that he as a volunteer
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A
received
B
was received
C
be received
D
would receive