题目内容
从所给的四个选项中选择最佳答案
Having no time, he couldn't help ______ your bike.
[ ]
A.to repair B.repairing C.repaired D.repairs
答案:A
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题目内容
从所给的四个选项中选择最佳答案
Having no time, he couldn't help ______ your bike.
[ ]
A.to repair B.repairing C.repaired D.repairs