RIGHT OR WRONG: It's a shame Mark hasn't come. He must decide to stay at home.

RIGHT OR WRONG: They said they'd found out what was wrong with the washing machine, but they can't have done because it's still not working properly.

The goalkeeper was injured, so maybe he isn't playing today. MIGHT The goal keeper was injures, so he ... .

Tim hasn't had a single cigarette today so perhaps he has stopped smoking completely. MAY Tim hasn't had a single cigarette today so he ... up smoking completely.

RIGHT OR WRONG: Sally's not answering the phone. She can have gone away for the weekend, or perhaps she's just gone to the shops.

I'm sure he didn't phone, becuase I was at home all day. HAVE He ... , because I was at home all day.

RIGHT OR WRONG: a: Andrea never wears that blouse we bought her. b: Well, she might not like the colour, it may not go with her skirts or it could not be the right size, Who knows?

RIGHT OR WRONG: Jim mustn't be going out with Sue; she's just got engaged to Doug.

It's possible that someone stole your purse when we were in the restuarant. Might Someone ... when we were in the restaurant.

RIGHT OR WRONG:The dog's barking a lot. He might be trying to tell us something.

RIGHT OR WRONG: The tennis rackets aren't in the car. You must have forgotten to put them in.

RIGHT OR WRONG: It's his birthday tomorrow, so he must be excited.

RIGHT OR WRONG: I can't find my keys. I think I might leave them on my desk at work.