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

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.'

'Where's Kim?'

I'm not sure. Try her office - she ___________ be in there.'

'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?'

'There's someone at the door.'

'It ____________ be John. He just called to say he was coming.'

'What kind of bird is that?'

'I'm not sure. It __________ be an eagle but I can't see it very well.'

'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.'

'Whose bag is this?'

'It __________ be Mike's. It's on his desk.'