题目内容
11．Though it was raining heavily，he didn't stop working for an hour．（改为同义句）Though it was raining heavily，hekeptworking for an hour．
分析 虽然雨下的很大，但他坚持工作了一小时．
解答 答案：kept working．原句中的stop doing sth表示停止做某事，加上否定，就是说没有停止做某事，也就是坚持做某事，故用keep doing sth，结合时态是一般过去时，keep的过去式是kept，故答案是kept working．
点评 平时多积累词汇和短语是作答该题的前提，其次要结合句意，根据语法要求，正确作答．
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