题目内容
7．Jeff was busysweeping（ sweep） the floor yesterday．分析 杰夫昨天忙着扫地．
解答 答案：sweeping 考查单词填空．根据题干考查固定短语be busy doing sth忙于做某事，故答案是 sweeping
点评 解答此题的关键是根据语境推测要填内容表达的含义，然后能理解各选项内容，有时可能没有必要细细区分每个单词的含义，仅根据句子语气就可以判断出正确答案．
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