题目内容
() 4. By the time I up,my mother to work.
A. wake;went B. woke;has gone C. woke;had gone D. wake;has gone
4. C
4. C by the time引导的从句用一般过去时，主 句要用过去完成时。
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题目内容
() 4. By the time I up,my mother to work.
A. wake;went B. woke;has gone C. woke;had gone D. wake;has gone
4. C by the time引导的从句用一般过去时，主 句要用过去完成时。