Multiple choice Directions: Match the two parts of a conversation. Why is it so hot in here? It's hot because the air conditioner is switched on. It's hot because the air conditioner had a break up. It's hot because the air conditioner stopped. It's hot because the air conditioner has broken down. Reveal answer Fill a bubble to check yourself D Correct answer Explanation 'Broke down' means not working. If there had been 'has stopped working', then option (3) would also have been correct.