题目内容
– Were you late for work yesterday morning?
– Yes. By the time I got to the bus stop, the early bus .
A. has already left B. is already left C. had already left
– Yes. By the time I got to the bus stop, the early bus .
A. has already left B. is already left C. had already left
C
by the time,表示到···为止，后接一般过去时，主句为过去完成时，故选C
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