Betty will ring me up when she in Beijing.A. arriveB. arrivesC. arrivedD. will arrive

问题补充：

Betty will ring me up when she in Beijing.

A. arrive

B. arrives

C. arrived

D. will arrive

答案：

A. arrive

(答案→)B. arrives

C. arrived

D. will arrive

解析：考查动词时态。时间状语从句中，如果主句和从句的动作都发生在将来，从句时态要用一般现在时表示将来。故选B。