III

1, I suggest taking a course of photography.

2, I suggest the government should pass the law on banning deforestation.

3, We suggest students from universities should participate more in social work.

4, My classmates suggest using bus and bicycle to go to school.

5, His father suggested he read more books about environmental issues.

6, They suggest teachers should provide students with knowledge on historical facts.

7, People suggest exhaust fumes from vehicles should be reduced.

8, My mom suggested keeping the surroundings clean and green.

9, I suggest visitors stop littering in Phong Nha Cave.

10, My friends suggest visiting the Royal Citadel when being in Hue.

IV

1, to preserve

2, dealing

3, telling

4, going; witnessing

5, booking

Chúc bạn học tốt nha!