题目内容
2.Iwas doing (do) my homework at this time yesterday.分析 昨天这个时候,我正在做作业.
解答 答案:was doing.过去进行时表示在过去某时刻正在进行的动作,常和表过去的时间状语连用,其构成是:was/were+现在分词.根据"at this time yesterday"时间状语是昨天这个时候,结合"(do) my homework"重在说明在昨天这个时候,正在进行的动作,可知要用过去进行时,(不能用一般过去时,一般过去时表示动作在过去发生且已完成)此处do是实意动词,表示"做",另外主语是I,所以要用was doing,故填was doing.
点评 首先要掌握过去进行时的用法,然后结合给出的英语提示,就可以确定正确答案.
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