6. My house ________________ every year to welcome the Tet Holiday. A. paints B. painted C. is painted D. painting 7. Students should be eager ________________ in social activities. A. participate B. to participate C. to participating D. participated 8. Milk bottles can be ________________ after being cleaned. A. recycled B. thrown away C. broken D. reused 9. This project ________________ out next month. A. is carried B. will carry C. will be carried D. carries 10. It’s dangerous ________________ in this river. A. swim B. to swim C. swimming D. swam 11. We are looking forward ________________ you in June. A. seeing B. see C. saw D. be seen 12. Try to ________________ the amount of fat in your diet. A. reuse B. refill C. reduce D. recycle 13. Glass is broken up, melted and made into ________________. A. silverware B. hardware C. ironware D. glassware 14. This table is made ________________ wood. A. in B. on C. of D. from 15. The champagne is made ________________ grapes. A. in B. on C. of D. from 16. They grow food for their animals and use the ________ for fertilizing their fields. A. trash B. dung C. fertilizer D. compost 17. The government ought to do something to prevent people ___________ throwing trash into the river. A. for B. in C. from D. at 18. They are certain ___________ they will pass the exam easily. A. which B. what C. where D. that 19. Drink cans are brought back to the factory for ___________ . A. recycling B. buying C. making D. eating 20. This beautiful box ___________ from recycled paper. A. made B. were made C. making D. to make 21. Books___________ by Daniel Steel are sold everywhere. A. writing B. write C. written D. wrote 22. …………………………………is the address of the City Museum? A. Where B. What C. Which D. whom