Complete the conversations.1 What did the head teacher say?a)We've tidied the classroom.b)We have to tidy the classroom.c)We mustn't tidy the classroom.2 Can I help you to do the washing up?a)Sit down.You don't have to help.b)S...

Complete the conversations. 1 What did the head teacher say? a)We've tidied the classroom. b)We have to tidy the classroom. c)We mustn't tidy the classroom. 2 Can I help you to do the washing up? a)Sit down.You don't have to help. b)Sit down.You mustn't help. c)Sit down. You shouldn't help. 3 What's the matter ? a) You should speak with food in your mouth. b) You shouldn't speak with food in your mouth. c) You must burp.It's rude. 4 Does Dan know that you're going on holiday? a) No,should I tell him? b) Yes, I know he is. c) No, I've told him. 5 How's your foot? What did the doctor say? a) I mustn't play sport for a month. b) I fell down the steps. c) I should play sport for a month.