You’ll have to wait for one more week the manager will be back from his trip.A. beforeB.

问题补充：

You’ll have to wait for one more week, the manager will be back from his trip.

A. before

B. when

C. as

D. until

答案：

A. before

(答案→)B. when

C. as

D. until

解析：关系副词when引导非限制性定语从句，修饰先行词one more week，在从句中作状语。故选B。