动画片神兵小将2:定语从句

来源:百度文库 编辑:查人人中国名人网 时间:2024/05/10 11:14:24
I sent invitations to 80 people,____have replied.
a.of whom only 20 of these
b.of whom only 20
c.only 20 of these who
d.only 20 who

选B,c,d为什么不对?

CD里的WHO不要是正确的,
去掉WHO后后面一句是补充说明