11. When visiting some tribes, we had an occasion to enjoy 12. A boy fell off his bicycle and became 13. Two 14. Because John is not shy in his voice, he speaks English 15. dark clouds soon appeared and it began to rain. (fortunate) 16. Every week, there are two from Ha Noi to Nha Trang. (fly) 17. "Reduce" means not buying products which are 18. The country's main 19. There are lots of tourist 20. Finding 21. People break up the glass, melt and make into new 22. Our flight to Hanoi doesn't 23. The aim is to reduce the 24. We can't 25. We can't arts. (tribe) .(conscious) from the group "Friends of the Earth" are talking to the students. (represent) (nature) (overpackage) resources include forests, coal and oil. (nature) in Ho Chi Minh City. (attract) at busy time in Da Lat is difficult. (accommodate) (glass) at 6 pm. on Sunday. (departure) and help the patient relax. (anxious) our feelings at this time. (description) find accommodation in Da Lat these days. (easy)