7. Please turn ........ the lights when you leave the classroom A. on B. off C. up D. down 8. Thanh Hoa province is the .......... largest in Viet Nam in population A. most B. three C. third D. first 9. The team can't decide who ........... first A. go B. to go C. went D. going 10. In the past, people used ........... their houses with oil lamps A. light B. to lighting C. to light D. lit 11. I wish I ....... good at social skills A. am B. be C. been D. were 12. Mai: I've won an essay contest.Bao:............ A. Well done! B. Stay calm! C. Oh poor! D. Go on! I know you can do it Giai hộ t vss