摘要：( ) When he was a boy, he used to go there and watched . A. to repair B. bikes’ repairing C. bike being repaired D. repairing bikes
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When he was a boy, he used to go there and watched __________.
A. to repair bikes
B. bikes’ repairing
C. bikes being repaired
D. repairing bikes
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When he
was a boy, he used to go there and watched __________.
A. to repair bikes
B. bikes’ repairing
C. bikes being repaired
D. repairing bikes
查看习题详情和答案>>