27 19what'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 tested1请把题目和选项翻译一下.

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2719what''sthatnoiseoh,Iforgottotellyou.Thenewmachine（）AwastestedBwillbetestedCisbeingtestedDhasbeent

27 19what'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 tested1请把题目和选项翻译一下.
27 19
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
1请把题目和选项翻译一下.

27 19what'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 tested1请把题目和选项翻译一下.
这是什么声音?
噢,我忘了告诉你.那是测试新机器运转的声音.
选C
从对话可看出是某人听到声音问的（what's=what is 故用一般现在时）,
另一个人就回答他现在听到的是新机器的声音,机器作为物品,被人测试,故用被动语态（be tested).

C.正在被测试，用现在进行时，被动语态
是什么噪音？
哦，我忘了告诉你。新机器正在被测试。

这是什么声音
哦，刚刚忘了告诉你了。新机器正在测试。选C
从题目可以看出，声音是现在一直持续有的。声音是机器测试发出的，所以说明是机器正在测试，be动词加ing是现在进行时 同时机器是被测试，被动，所以用test加ed请问 D 选项 是什么意思？已经被测试 has或have been是现在完成时态的被动语态...

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这是什么声音
哦，刚刚忘了告诉你了。新机器正在测试。选C
从题目可以看出，声音是现在一直持续有的。声音是机器测试发出的，所以说明是机器正在测试，be动词加ing是现在进行时 同时机器是被测试，被动，所以用test加ed

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A噢噢噢噢噢噢噢噢哦哦哦

What's that是什么意思 What's that?中文 what 's that mean? What's that? What's that again? what's that down What's this,and what's that. what's the fucking that? What's that over there?----------------------？ what 's that on the that's what i think that's not what it what's that 改为复数 that's what是什么句型? What's that young _____name? (fatalistic)?What's that mean? That's not what mom What's that up there?