Which sentence is correct?

A. Transportation is the most serious cause of noise pollution.

B. A library is very noisy.

C. A park has very high volume.

D. Noisy neighbours are the most serious cause.

Đáp án
A. Transportation is the most serious cause of noise pollution.

Câu hỏi thuộc Bài tập:

Week 12 - GC3 - Quiz