Question 81: Everyone knows about pollution problems, but not many people have                     any solutions.

A. come up with               B. thought over                 C. got round to                  D. looked into

Question 82:                    calculations have shown that the earth’s resources may run out before the end of the next century.

A. Crude                           B. Blunt                            C. Rude                             D. Raw

210 CÂU TỪ VỰNG TỪ ĐỀ CÔ DƯƠNG THỊ HƯƠNG