If they _ (come) back,I _(call) you .用所给词的适当形式填空.谁告诉下

问题描述:

If they _ (come) back,I _(call) you .用所给词的适当形式填空.谁告诉下

come will call
由if 引导的状语从句主语用将来时从句用一般现在时