The next thing ( ) must be done is to make a plan

问题描述:

The next thing ( ) must be done is to make a plan
A.which B.that C.when D./
我能明白能用that但不能用which,但是为什么不能选择D呢?
1个回答 分类:英语 2014-12-16

问题解答:

我来补答
must be done 是一个定语从句,从句中缺少主语,不能选d
 
 
展开全文阅读
剩余:2000