He began to work onrepairing the old bikes．题目和参考答案——青夏教育精英家教网—

题目内容

9．He began to work onrepairing（repair） the old bikes．

分析他开始修理旧自行车．

解答答案：repairing．
根据He began to work on--（repair） the old bikes，可知他开始修理旧自行车．句子中on是个介词，后面应该跟动词的ing形式．故填repairing．

点评考查单词填空．准确的翻译句意及分析句子结构、时态、固定搭配等是关键，然后再用合适的形式完成句子．

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