'Where's Kim?'I'm not sure. Try her office - she ___________ be in there.'

'I haven't seen Jeff today. Is he off sick?' 'He __________ be - I saw his car in the car park.'

You ____________ be hungry again - you've only just eaten!

'What kind of bird is that?' 'I'm not sure. It __________ be an eagle but I can't see it very well.'

You ___________ be hungry - you haven't eaten since this morning.

Look at that guy over there. He's only got a T-shirt on and it's 5 degrees. He _________ be freezing!

'Is that Suzie's jacket?' 'No, it ___________ be - it's too big.'

'Look! What's that light in the sky? It's not a star - it's moving.' 'It ____________ be a plane, silly! What else could it be?'

'Whose bag is this?' 'It __________ be Mike's. It's on his desk.'

'Have you see Clara?' 'She's gone for lunch. She ___________ be in the canteen.'

'I'm worried about Grandma. I tried to call her but she's not answering her phone.' 'She _____________ be out. Or she might be asleep - she sometimes has a nap in the afternoon.'

'I'm starving! What's for dinner, Mum?' 'Fish.' 'I hate fish! I'm not eating it.' 'You ____________ be very hungry, then.'

That man ______________ be Tim's father - he looks just like him.

'There's someone at the door.' 'It ____________ be John. He just called to say he was coming.'