题目内容
12.The children __________ books when their mother came back.( )| A. | read | B. | are reading | C. | were reading | D. | will read |
分析 当那些孩子的妈妈回来的时候,他们正在读书.
解答 答案:C.
根据when引导的时间状语从句用了一般过去时,当…的时候,判断设空处的动作"读书"在过去的某个时刻正在进行着,且是一段时间内持续进行,所以用过去进行时,过去进行时的构成是:主语+was/were+动词的现在分词,主语是复数名词,所以be动词用were,read的现在分词是reading;故选C.
点评 本题考查了动词的时态.做题时,一定要特别关注有关的时间短语,这是判断句子时态的标志.在没有时间状语的情况下可以联系上下文根据语境来做出正确判断.
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