1 . 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)

2 . 如果他没有熬夜，他的健康就不会如此容易垮掉。
If he hadn’t stayed up, __________ __________ __________so easily.

3 . He slept for a long time when he was ill yesterday. If he ________ (doesn’t get, hadn’t got) enough sleep, he ________ (will feel, would have felt) very tired. （选择合适的内容补全句子）

4 . If his experiences then __________, it would undoubtedly have made a moving book.
如果当时他的经历被记录下来，无疑会成为一本感人的书。

5 . 如果汤姆读了这本小说，他就会知道它令人惊讶的结局了。
________, he would have known its surprising ending.

6 . 句型公式:   if虚拟条件句
________________, that would be a good price, but it has a few minor problems.     
如果这辆车没有出现过事故，那它能卖一个好价钱，但是它有一些小问题。

7 . But for the warning of the passing car, he ________(meet) with an accident.

8 . 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.

9 . But scientists all agree that if Franklin had actually touched the key, he would certainly have died from the electric shock.
如果你认真听课的话，你就能回答老师的问题了。(仿写汉译英)

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.