V. Give the most suitable form of the words given. 1. Many people know that smoking is_________, but they do the smoking every day. HARM 2. We have to travel to work by bike to reduce air_________. POLLUTE 3. He is known as a very quick man. He disappears and_________ without being seen. APPEAR 4. Old people like living in the countryside because it is very_________ and quiet there. PEACE 5. _________ is one of the main causes of crimes and diseases. POOR 6. In the South of Vietnam, many people are living in a condition of water _________. SHORT 7. Many children in Africa countries are suffering from the worst_________. NUTRITION 8. We often hear about_________ in school here and there in our schools. VIOLENT Giúp với!