Write in the missing letters. 1.Young people like c_ _ _ _ _ _ _ on the phone. 2.We are going to have some g _ _ _ _ _ staying during the summer holidays. 3.Young people aged between 13-19 are often called t_ _ _ _ _ _ _ _ . 4.Tom wants to be a v_ _ _ _ _ _ _ _ in Africa. 5.When people do not have a place to live, they are called h_ _ _ _ _ _ _ . 6.Young people who leave the family home after an argument of because of other problems are r_ _ _ _ _ _ _ .
2. guests
3. teenagers
4. volunteer
5. homeless
6. runaway