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选词填空.China is now ___ (third , the third)country to send a person into space.答案上为什么是the third?讲解!

题目详情
选词填空.China is now ___ (third , the third)country to send a person into space.
答案上为什么是the third?讲解!
▼优质解答
答案和解析
因为third是序数词.序数词前必须加the.