The Canadian friends from our school have given us a lot of books, few of a bit difficult

发布时间：2020-08-16 10:14:13

The Canadian friends from our school have given us a lot of books, few of     a bit difficult for us Chinese students.
A. them are
B. that is
C. which are
D. which is

网友回答

A. them are
B. that is
(答案→)C. which are
D. which is
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