I’ll ask Mr. Smith to ring you up ______ he comes back to the office.A、whenB、wh

游客2023-09-29 76

问题 I’ll ask Mr. Smith to ring you up ______ he comes back to the office.

选项 A、when
B、where
C、because
D、although

答案 A

解析本题考查的是时间状语引导词的用法。when引导时间状语从句，表示“……的时候”。

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