题目内容：
It Was a paper plane__________I made yesterday．
A．that B．who
C．which
参考答案：
答案解析：
单选题：It Was a paper plane__________I made yesterday．
- 题目分类：公共英语一级
- 题目类型：单选题
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B．who
C．which
B．who
C．which
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