23.— What’s that terrible noise.David?
— Oh,I forgot to tell you.The new machines in the nearby plant _______.
A.were tested B.will be tested C.are being tested D.have been tested
23.— What’s that terrible noise.David?
— Oh,I forgot to tell you.The new machines in the nearby plant _______.
A.were tested B.will be tested C.are being tested D.have been tested
C