◎ 题干
— What is that noise?
— Oh, I forgot to tell you that the new machine_____   .
[     ]
A. was tested
B. will be tested
C. has been tested
D. is being tested
◎ 答案
查看答案
◎ 解析
查看解析
◎ 知识点
    根据n多题专家分析,试题“— What is that noise?— Oh, I forgot to tell you that the new machine_____ .[ ]A. was testedB. will be testedC. has been testedD. is being 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。