Here are the correct forms of the words in brackets to complete each sentence:

1. Alice **decided** to take up yoga class five years ago. (decision)
2. If you want to have a good health, you should **exercise** regularly. (exercise)
3. Mr. Tan works **more** hours than my father. (many)
4. The Donate a Book event helps children in **mountainous** area. (mountain)
5. The local art gallery has a great **collection** of painting by local artists. (collect)
6. George looks **unhappy** because he has a bad mark. (happy)
7. I want to make **lemonade** but there isn’t any sugar in the jar. (lemon)
8. What is tofu? - It’s a **product** from soybeans. (produce)
9. Dong Ho paintings are **original** in Dong Ho village, Bac Ninh Province. (original)
10. We are very proud of our **friendship**. (friend)
11. Many people became **homeless** after the flood. (home)
12. Some hobbies can help students learn to be **patient** with their work. (patience)
13. Gardening **teaches** children about flowers, fruits, vegetables, insects and bugs. (teacher)
14. Some young people have a bad habit of **littering** in public places. (litter)
15. I prefer mountain **climbing** to hiking. (climb)