◎ 题干
— What's that noise?
— Oh, I forgot to tell you. The new machine ______.
[     ]
A. was tested    
B. will be tested  
C. is being tested  
D. has been tested  
◎ 答案
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◎ 解析
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◎ 知识点
    根据魔方格专家分析,试题“— What's that noise?— Oh, I forgot to tell you. The new machine ______.[ ]A. was tested B. will be tested C. is being tested D. has been tested …”主要考查了你对  【现在进行时的被动语态】  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。