... on TV.A. Happy B. Happily C. Happiness D. Unhappy 7. If I _________free, I’ll come to see you.A. Am B. Was C. Will be D. Have been8. Miss. Hanh, _________sings very well, is my English teacher.A. ... foods, buying gifts, and making other preparations. Certain items deemed to be bought or made are banh chung, dried watermelon seeds, tea, dried sausages, fruit (fresh and candied), ornamental plants ... limit the emission of poisonous gases and dangerous chemicals from industrial smoke stacks in (7) ……………to clean the air in our living environment as much as (8) ……………….1. A threating B. threatened...