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 are not allowed to ___________ in the park.

A. litter

B. rubbish

C. garbage

D. waste

Đáp án
A. litter

Câu hỏi thuộc Bài tập:

Ms. Dung Purple - Unit 10: Ecotourism - Vocabulary