Complete the exchanges, using can, can't, must, have to, might, should, needn't and the verb in brackets in the appropriate form. 1 a: have you talked to bill? b: not really. he (be) in the office holding the meeting. 2 a: i have caught a cold. b: you (put on) a warm coat. 3 a: my dog is hungry! b: you (take) some dog food with you. 4 a: it hurts me to swallow. b: you (catch) a cold. 5 a: would you like to go out with me? b: i'd love to, but i (do) the washing-up. 6 a: i thought i saw mr black an hour ago. b: you (see) him. he's been away since morning.

1 A: Have you talked to Bill? B: Not really. He must be in the office holding the meeting. 2 A: I have caught a cold. B: You should  put on a warm coat. 3 A: My dog is hungry! B: You should take some dog food with you. 4 A: It hurts me to swallow. B: You must have caught a cold. 5 A: Would you like to go out with me? B: I'd love to, but I must do the washing-up. 6 A: I thought I saw Mr Black an hour ago. B: You couldn’t see him. He's been away since morning.