Question 246. Vietnamese athletes performed                    and won a lot of gold medals.

A. excellent                       B. excellently                    C. excellence                     D. excel

Question 247. The primary causes of species extinction are habitat destruction, commercial                     and pollution.

A. exploit                          B. exploiting                     C. exploitation                  D. exploitative

256 CÂU TỪ VỰNG TỪ ĐỀ CÔ NGUYỄN PHƯƠNG