◎ 题干
China _____ the WTO and became new member of it last year.
[     ]
A. joins
B. joined
C. will join
D. has joined
◎ 答案
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“China _____ the WTO and became new member of it last year. [ ]A. joinsB. joined C. will joinD. has joined…”主要考查了你对  【一般过去时】  等知识点的理解和应用能力。关于这些知识点的“档案”,你可以点击相应的链接进行查看和学习。