This old computer must have been of great use to ______did the scientific research.A those B when C whoever D whomever

分类: 作业答案 • 2022-05-17 20:33:08

问题描述：

This old computer must have been of great use to ______did the scientific research.
A those B when C whoever D whomever

答

C. whoever

答

C
宾语从句
从句缺少主语
所以是Whoever
也可以用 those who 定语从句