Mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the following questions.

Câu hỏi

The .............. of living in big cities is usually higher than that in rural regions.

A. price

B. standard

C. level

D. value

Đáp án
B. standard

Câu hỏi thuộc Bài tập:

TN-PART1-20KEY