◎ 题干
We _____ happy because we _____ have computers.      
[     ]

A. aren't; aren't
B. aren't; don't
C. don't; aren't
D. don't; don'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 _____ happy because we _____ have computers. [ ]A. aren't; aren't B. aren't; don'tC. don't; aren't D. don't; don't…”主要考查了你对  【系动词】【助动词】  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。