–What’s that noise?
–Oh, I forgot to tell you. The new machine ______.

–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

---- What’s that noise?      

---- Oh, I forgot to tell you. The new machine ______.

 —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

---What's that noise?

---Oh, I forgot to tell you. The new machine ___

A．is being tested                        B．will be tested

C．was tested                                       D．has been tested

——What’s that noise?
——Oh, I forgot to tell you. The new machine ______.

25. ------- What’s that noise?
--------- Oh, I forgot to tell you. The new machine ____________.

10. ----What’s that noise?
----Oh, I forgot to tell you. The new machine _____.

–What’s that noise?
–Oh, I forgot to tell you. The new machine ______.

---- What’s that noise?      
---- Oh, I forgot to tell you. The new machine ______.