题目内容
【题目】When Jim`s mother came in, he ________ his homework.
A. is doing B. did C. was doing D. does
【答案】C
【解析】试题分析:句意:当吉姆的母亲进来时,他正在做他的作业。结合语境可知本句描述是的是过去某时正在进行的动作,故用过去进行时态。选C。
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题目内容
【题目】When Jim`s mother came in, he ________ his homework.
A. is doing B. did C. was doing D. does
【答案】C
【解析】试题分析:句意:当吉姆的母亲进来时,他正在做他的作业。结合语境可知本句描述是的是过去某时正在进行的动作,故用过去进行时态。选C。