题目内容
【题目】It must be hard to ________. ( )
A. going to North Pole B. go North Pole C. go to North Pole
【答案】C
【解析】
略
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题目内容
【题目】It must be hard to ________. ( )
A. going to North Pole B. go North Pole C. go to North Pole
【答案】C
【解析】
略