Fire in the house1. why must you always be sure that you have turned off the gas and lights when you leave home? 2. why is it dangerous to leave the gas on? what may happen? 3. what's the quickest way to put out a fire (if, say, the tablecloth or the curtains are on fire)? 4. why mustn't you get excited or lose your head? 5. what is the telephone number of the city fire brigade? why is it usually a two-figure number? 6. have you ever phoned the fire brigade service? when was it? 7. what must you do if you catch the smell of gas in your flat? 8. why is it dangerous to light a match or turn on the light if the kitchen is full of gas? what may happen? ​

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