题目内容：
--Why are you staring?--I've never seen ___ tree before. A．kind of
B．that kind of
C．such kind
D．such
参考答案：
答案解析：
单选题：--Why are you staring?--I've never seen ___ tree before.
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- 题目类型：单选题
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--I've never seen ___ tree before. A．kind of
B．that kind of
C．such kind
D．such