题目内容
【题目】She kept on _______ until midnight though he was tired.
A.work B.worked C.working D.to work
【答案】C
【解析】keep doing“一直做……”,为固定用法。
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题目内容
【题目】She kept on _______ until midnight though he was tired.
A.work B.worked C.working D.to work
【答案】C
【解析】keep doing“一直做……”,为固定用法。