A-A+
There are two kinds of computers (there) both
问题详情
There are two kinds of computers (there), both (of them) are (widely) (used) today.
A.there
B.of them
C.widely
D.used
参考答案
正确答案:B
解析:引导词用法错误,应改为of which。逗号之后的分句属于非限制性定语从句,所以应把人称代词them改为关系代词which,以引导定语从句。