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

How _____ ethnic groups in Viet Nam do you know?

A. much

B. often

C. many

D. tall

Đáp án
C. many

Câu hỏi thuộc Bài tập:

UNIT 4. ETHNIC GROUP IN VIET NAM TEST 1