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

____________ tourists will avoid damaging the environment when they travel.

A. Aware

B. Responsible

C. Mass

D. Large

Đáp án
B. Responsible

Câu hỏi thuộc Bài tập:

Ms. Dung Purple - Unit 10: Ecotourism - Vocabulary