If you _____(fall) into the water ,they may come up to help you._英语解答

If you _____(fall) into the water ,they may come up to help you.

人气：213 ℃　时间：2019-11-10 13:57:58

解答

fall
if引导的时间状语从句,主句用将来时,从句用一般现在时