THE WATER WILL BE FURTHER POLLUTED UNLESS SOME MEASURES __________...

10. - 25 DE THI HOC KI 1 MON TIENG ANH LOP 12 CO DAP AN
25 DE THI HOC KI 1 MON TIENG ANH LOP 12 CO DAP AN

10.

The water will be further polluted unless some measures ___________.

A. will be taken

B. are taken

C. were taken

D. had been taken