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When he was a boy, he used to go there and watch . [ ] A. to repair bicycles B.

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When he was a boy, he used to go there and watch . [ ] A. to repair bicycles B.

When he was a boy, he used to go there and watch ________.

[]

A. to repair bicycles

B. bicycles to be repaired

C. bicycles being repaired

D. repairing bicycles

试题答案

答案:C

提示:

watch sb.doing观看某人做某事.bicycles与repair是动宾关系,故使用动词-ing的被动式作宾语补足语.