Eco-travellers have to prevent or minimize any negative impacts on the environment.

A. Eco-travellers are not required to protect the environment.

B. Eco-travellers are encouraged not to have any negative impacts on the environment.

C. It is eco-travellers' responsibility to prevent or minimize any negative impacts on the environment.

D. Eco-travellers have never had any negative impacts on the environment.

Bài tập Trắc nghiệm Tiếng Anh 10 - Unit 10: Ecotourism (Writing)