1 . 他那天生病了，不然他能通过那次考试的。（but) （汉译英）

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2 . We could have done better under more favourable conditions.
仿写：如果有他的帮助，我们可以做得更好。
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3 . You can’t imagine that a gentleman ________ so rudely to an old lady.

A．shall have behaved	B．should have behaved
C．could have behaved	D．might have behaved

4 . 他本来可以靠捕猎为生，但是政府再也不允许杀害野生动物了。(把句子补充完整)
He ______________ by hunting, but the government won’t allow ________   wild animals anymore.

5 . You made a mistake again, you ________________more careful.
你又犯错了，你本能更仔细些的。

6 . The horrific tragedy __________ if the architect __________ more careful with the way buildings were constructed.

A．ought to be avoided; was going to be	B．could have been avoided; had been
C．may have avoided; has been	D．will be avoided; will have been

7 . I don’t know why she didn’t ask me how to do it as I __________her.

A．could have helped	B．might help
C．should have helped	D．could help

8 . Only blindness could have __________ (prevent) her from knowing that she was unusually attractive.（所给词的适当形式填空）

9 . 情态动词＋have＋过去分词
我本可以生气或者辩解一下的。(汉译英)

10 . Harry ________ have won the physics competition easily yesterday, but he gave up.

A．could

B．might

C．would

D．must