I. Complete each sentence below by filling each blank with the correct form of the word provided.
1. Many people do volunteer work because it can make a _____ in their community. ( differ )
2. It is ___ to eat a lot of sweetened food and drinks. (health)
3. Staying at home all day is ______ because I do not know what to do ( make)
4. My friend has decided to use more _____ energy instead. (sun)
5. For one spending his life in town, a trips into the mountains could prove an _____ experience. (forget)
6. She is _____ about music. (passion)
7. English is _____ used all over the world. (widen)