THE SCIENTISTS SUCCEEDED IN FINDING A VACCINE FOR THAT DISEASE.A. T...

30. - HỌC TỪ VỰNG TIẾNG ANH THEO CHỦ ĐỀ 4
Tiếng Anh HỌC TỪ VỰNG TIẾNG ANH THEO CHỦ ĐỀ 4

30.The scientists succeeded in finding a vaccine for that disease.

A. The scientists were able to find a vaccine for that disease.

B. The scientists were finding a vaccine for that disease.

C. The scientists should have found a vaccine for that disease.

D. The scientists couldn"t find a vaccine for that disease.