Computers must be of great use to ________ doing the scientific r_英语解答

Computers must be of great use to ________ doing the scientific research.
　A．those　　　　　　　 B．who 　C．those who 　　　　　D．whomever
为什么呢?

人气：154 ℃　时间：2020-08-03 23:46:04

解答

因为 those doing == those people who are doing --------强调‘正在’做某事的人们.