WE ARE TALKING ABOUT THE PRESERVATION OF ... RESOURCES. A. NATURE...

331. - 1000 CAU TRAC NGHIEM TIENG ANH ON THI THPT QUOC GIA CO DAP AN
1000 CAU TRAC NGHIEM TIENG ANH ON THI THPT QUOC GIA CO DAP AN

331. We are talking about the preservation of ... resources.

A. nature

B. natural

C. naturally

D. naturalize