What does Ms Hoa advise Mai regarding the snacks?

4/20

To bring as many snacks as possible to share with friends.

To buy snacks at the entrance of the cave.

Not to bring too many snacks to avoid leaving litter.

To bring only expensive snacks.

Giải thích

Hướng dẫn giải:

Đáp án đúng: C

Thông tin: Ms Hoa: Yes, but if I were you, I wouldn’t bring too many snacks. We don’t want to leave litter behind and damage the environment. (Ms Hoa: Được, nhưng nếu cô là em, cô sẽ không mang quá nhiều đồ ăn vặt. Chúng ta không muốn bỏ lại rác và hủy hoại môi trường.)