4 Look at the text again. Then choose the answers to complete the sentences. 1 It's dangerous to ______ lighters and matches wrongly. a touch b use 2 Cookers get ______. You can burn yourself. a cold b hot 3 It's a good idea to keep a ______ for emergencies. a lighter b heater 4 It's not a good idea to leave ______ on a rug. a a rug b shoes and books 5 Be careful! You can ______ doing dangerous things. a burn yourself b cut yourself 6 It's dangerous to play with ______. a knives b rugs