1. I/ suggest/ take a course/ photography. …………………………………………………………………………………………………………… 2. I/suggest/ the government/ pass/ law on banning deforestation. …………………………………………………………………………………………………………… 3. We/ suggest/ students from universities/ participate more/ social work. …………………………………………………………………………………………………………… 4. My classmates/ suggest/ use bus and bicycle/ go to school. …………………………………………………………………………………………………………… 5. His father/ suggested/ he/ read more books/ environmental issues. …………………………………………………………………………………………………………… 6. They suggest/ teachers/ provide students/ knowledge on historical facts. …………………………………………………………………………………………………………… 7. People/ suggest/ exhaust fumes from vehicles/ reduce. …………………………………………………………………………………………………………… 8. My mom/ suggested/ keep the surroundings/ clean and green. …………………………………………………………………………………………………………… 9. I/ suggest/ visitors/ stop littering/ Phong Nha Cave. …………………………………………………………………………………………………………… 10. My friends/ suggest/ visit/ the Royal Citadel/ when being in Hue. ……………………………………………………………………………………………………………