1. Cloth bags should be used instead of plastic bags.
2. The garbage can be used to make fertilizer.
3. Vietnamese's Lunar New Year is celebrated around January or February.
4. After Tet holiday, trees are usually plant in their neighborhood by Vietnamese people.
5. How many festival are celebrated in your community ?
6. How many motorbikes are imported a year by Viet Nam ?
7. His book was published by the publisher in 1996.
8. Has their house been decorated yet ?
9. An important report has been written.
10. The project hasn't been finished yet.