6. Complete the sentences with the words below. There is one extra word.

1. The fact that children watch too much television causes **concern** for many parents. 2. Some people like to **have** online games so that they can play with their friends. 3. Using a mobile phone can **provide** positive and negative effects on people's lives. 4. Some **decisions** are difficult to make. 5. Scientists are doing **research** into how important it is for students to do homework. 6. Students who work hard usually get good **grades**. 7. My dad always encourages me to **express** my opinions about what is happening in the world. 8. Eating fruit and vegetables can **get** a lot of health benefits.