1 . ______ a running log of your time spent volunteering, you would have received a certificate showing the good you’ve done.

A．If you hadn’t kept

B．Had you kept

C．If you kept

D．Not did you keep

2 . Now it was ______________________________. 
现在好像她认识米莉已有好多年了。

3 . 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。

4 .         enquiries and seek for reliable new-corporation logistics company for transloading, we would be glad to assist and append our best competitive rates to you.

A．If you had had

B．Should you have

C．But that you had

D．You are to have

5 .          his impeccable intelligence and social credentials, we wouldn’t have managed to get the grant.

A．If it weren’t for

B．Had not it been for

C．With the help of

D．But for

6 . ______ the picture of the popular singer, I would show it to you right now.

A．I had taken

B．Did I take

C．Had I taken

D．I took

7 . 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)

8 . 若没有他们对我们的帮助，我们的实验就失败了。
________ ________ ________ ________us, our experiment would have failed.

9 . 今天上午我本该给老板打电话，但是我忘了。
I__________ my boss this morning, but I forgot.

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