1 Complete the words. 1 2 3 4 Use this when your hair is wet: h Use this to boil water: k Use this to see people when you chat online: W Use this to clean your teeth: e t 5 Use these to play music for yourself so other people can't hear: e 6 Use this to store and listen to music: M P 7 Use this to call your friends and to go on the internet: s​