—I’m sorry that John is out—Please ask him to call me as soon as he . A. returnedB. re

问题补充：

—I’m sorry that John is out.

—Please ask him to call me as soon as he .

A. returned

B. returns

C. will return

D. is returning

答案：

A. returned

(答案→)B. returns

C. will return

D. is returning

解析：句意：很抱歉约翰出去了。他一回来请叫他给我打电话。As soon as一……就；其引导的状语从句用一般现在时表将来，故选B。