题目内容

-----What is the noise?
-----Oh, I forgot to tell you. The new machine _________.
A.was testedB.will be testedC.is being testedD.has been tested
C
根据-What is the noise,可知是现在正在进行的动作,所以新机器应是正在被测试。用现在进行时态的被动语态。
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