题文
–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 |
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–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 |
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