Mary had finished her homework__the time

考试题库2022-08-02  44

问题 Mary had finished her homework__the time I got home.A.untilB.atC.byD.when

选项 A.until
B.at
C.by
D.when

答案 C

解析 by the time+从句,是过去完成时态常用的时间状语。这时,主句用过去完成时,从句用一般过去时。译为:当……时候,……已经……。我到家时,玛丽已经做完作业了。
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