◎ 题干
—We'll go to Qing Yuan Mountain tomorrow. Why _____ join us?
—That's a good idea.
[     ]
A. not
B. don't
C. can't
D. didn't
◎ 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“—We'll go to Qing Yuan Mountain tomorrow. Why _____ join us? —That's a good idea. [ ]A. not B. don't C. can't D. didn't …”主要考查了你对  【固定搭配】  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。