17.We won’t be able to leave the office until the rain ______.A、will stop B、stops C、stopped D、is stopping请用排除法做,是 stop
问题描述：
17.We won’t be able to leave the office until the rain ______.
A、will stop B、stops C、stopped D、is stopping
请用排除法做,是 stop
答
就是B,只能填stops.这是一般将来时的条件状语从句,主句用一般将来时,从句用一般现在时.rain不可数,所以动词用stops.