1 . 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

2 . 我要是当时没有答应参加吉姆的聚会就好了，因为今晚我必须做一些额外的工作。（wish后的虚拟语气）
________________ Jim’s party, for I have to do some extra work tonight.

3 . 如果我们昨天赶上飞机的话，现在我们可能正在海滩享受我们的假日呢。
If we ________________ the flight yesterday, we ________________ our holiday on the beach now.

4 . She ________ if she hadn’t allowed herself some fun.
她若是没给自己找点乐趣的话，早就崩溃了。

5 . 他说起长城来就好像他以前去过那里似的。
He talked about the Great Wall as if he________before.

6 . 如果你参考了这些失败经验的话，就不会在考试中犯下如此的错误。（汉译英）

7 . 她谈论着奥运会上的激动人心的时刻，好像她在现场一样。
She talked about the exciting moments at the Olympics ________ on the spot.

8 . The millions of calculations involved, had they been done by hand, ______________（lose）all practical value by the time they were finished. (用适当的词填空)

9 . 我本来打算到机场去接你的，可在我正要出门时有人来看我了。（intend）
________, but someone came to see me just when I was about to leave.

10 . 那两个陌生人交谈起来就好像他们是多年的好朋友一样。
The two strangers talked as if they ______ ______ ______ ______ for many years.