题目内容：
第29题答案为
__________
A．This B．These
C．It
D．What
参考答案：【答案仅供学习，请勿对照自行用药等】
答案解析：
单选题：第29题答案为__________
- 题目分类：公共英语四级
- 题目类型：单选题
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B．These
C．It
D．What
B．These
C．It
D．What
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