题目内容
You will have to wait for one more week, _____ the manager will be back from his trip.
- A.after
- B.while
- C.when
- D.since
C
when引导的非限定性定语从句,本句中的when =" by" which time,“到那时候”。after和since都错在时间的先后顺序,而while引导时间状语从句不用将来时。
when引导的非限定性定语从句,本句中的when =" by" which time,“到那时候”。after和since都错在时间的先后顺序,而while引导时间状语从句不用将来时。
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