题目内容
----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
C
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题目内容
----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
C