Jim is doing his homework when his father came in.这句话正确吗?
题目
Jim is doing his homework when his father came in.这句话正确吗?
前面用现在进行时,后面却是过去时,
答案
前面应该是过去进行时,后面是一般过去时才对.
Jim was doing his homework when his father came in .
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