三、用所给动词的适当形式填空
1．It is brave of you (save) the drowning boy.
2．At the age of 17, he (set) sail for America.
3．He found jewels, gold and the (preserve) bodies of dead kings.
4．He as well as I (be) to blame.
5．All my years of training (pay off).
6．Its makers spent much money (build) the ship.
7．It was 3 years since we (part).
8．The book you (refer) to the other day is well worth reading.
9．Every means (try) to solve the problem.
10．It was the second time that she (see) her grandfather.To save ； set ； preserving ； am ； are paid off ； building ； parted ； referred ； has been tried ； had seen
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(答案→)To save ； set ； preserving ； am ； are paid off ； building ； parted ； referred ； has been tried ； had seen
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