We shall ask for samples ____ and then we can make our decision.A. to be sent B. being sent C. to sent D. to have been sent

分类: 作业答案 • 2021-12-19 17:08:28

问题描述：

We shall ask for samples ____ and then we can make our decision.
A. to be sent B. being sent C. to sent D. to have been sent

答

A. to be sent

答

A.to be sent 标本是要被送来的,所以要用不定式(表将来)的被动语态.