wordform

1. We are talking about the preservation of ......................................resources. (NATURE)

2. Hanh wanted to ______________ her house before Tet. (DECORATION)

3. Lan usually _________________ her house before Tet. (DECORATION)

4. Air ________________ is one of serious problems our country is facing (POLLUTE)

5. ________________ water can directly do harm to people’s health. (pollute)

6. Nowadays, consumers always want to buy _______________ products. (EFFECT)

7. All this proves that the system works _________________. (effect)

8. In Vietnam, there are many _________________ throughout the year. (CELEBRATE)

10. We suggest ________________ garbage around our school. (COLLECT)

11. People sang Auld Lang Syne ________________ on New Year’s Eve. (joy)