There are altogether fifty students in our class,twenty（） are boy_英语解答

There are altogether fifty students in our class,twenty（） are boys.A、of them B、of those C、of

人气：275 ℃　时间：2019-09-15 19:15:54

解答

C是不是of whom?因为前两项都不对定语从句引导名词要用who,介词后为宾格whom