问题
选择题
25. ------- 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
答案：C
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25. ------- 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：C