___be done to stop the river from being polluted .A.what do you suggest.B.what do you suggest that s

题目

___be done to stop the river from being polluted .A.what do you suggest.B.what do you suggest that should 提问：为什么选A不选B

答案

What do you suggest be done to stop the river from being polluted变成陈述句就是you suggest what be done to stop.,因为suggest表示建议时,后跟宾语从句,是一种虚拟语气,其中that 引导词要求省略