He came back late,__________which time a

练习题库2022-08-02  22

问题 He came back late,__________which time all the guests had already left.A.afterB.byC.atD.during

选项 A.after
B.by
C.at
D.during

答案 B

解析 句意:他回来晚了,所有的客人都已经走了。由by引导的状语从句常用完成时。by which time中的which引导定语从句,意为“他很晚回来时”。
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