题目内容：
请在第___________处填上正确答案．
A．it B．them
C．these
D．those
参考答案：
答案解析：
单选题：请在第___________处填上正确答案．
- 题目分类：综合类
- 题目类型：单选题
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B．them
C．these
D．those
B．them
C．these
D．those
请在第______填上正确答案.
请在第______填上正确答案.A．The device could be used to take a picture of your body each w
Why didn't NASA scientists identify the problem before the o
Why didn't NASA scientists identify the problem before the orbiter left for Mars
What caused the orbiter's problem?
What caused the orbiter's problem?A．Scientists used wrong guidelines of mathemat
The word "pageants" in paragraph 2 means_________.
The word "pageants" in paragraph 2 means_________.A．dances B．instruction C．royal
The arrival of the traffic-free shopping street made many __
The arrival of the traffic-free shopping street made many __________lose their b