1. They have got an opportunity to **socialize** with new colleagues. (SOCIETY)
2. The party is **informal**, so you don't have to dress up for it. (FORM)
3. Traveling in big cities is becoming more **troublesome** everyday. (TROUBLE)
4. The instructions are very **confusing**. I am not clear what I should do. (CONFUSE)
5. If you are **dissatisfied** with our service, please write to the manager. (SATISFY)
6. He was kept in the hospital overnight as a **precautionary** measure. (PRECAUTION)
7. **Deforestation** is now a serious problem in Viet Nam. (FOREST)
8. The **residents** in this town are very friendly. (RESIDE)
9. I'm afraid you have been **misinformed**. She no longer works for you. (INFORM)
10. You should write a letter of **inquiry** to the institute. (INQUIRE)