问题

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

正确答案是：

同类题型

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Had I hurried, I the tram. width=”143″ valign=”top” style=”width:107.1pt;padding:0cm 5.4pt 0cm 5.4pt”