If you( ),you have to work still harder 为什么选DA succeed B will suc_英语解答

If you( ),you have to work still harder 为什么选D
A succeed B will succeedC are successful D are to successful

人气：139 ℃　时间：2019-10-29 19:44:25

解答

D are to successful
A用于虚拟语气,后面必须用had to
B不符合语境和条件句结构
C不符合逻辑关系
D目的状语,用在这里合适