◎ 题干
The new dictionaries are very careful. They _____ well and _____ already.
[     ]
A. sell, have been sold out
B. sold, had sold out
C. sell, sell out
D. are sold, have been sold out
◎ 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“The new dictionaries are very careful. They _____well and _____already. [ ]A. sell, have been sold out B. sold, had sold outC. sell, sell out D. are sold, …”主要考查了你对  【一般现在时】【现在完成时的被动语态】  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。