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

'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?'

She.... in Gdansk, because I saw her in Toruń.

'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.'

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

He .... his wallet on the train. Now he is worried about it.

The door is open! I ....... to lock it when I left this morning.

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

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

This plant is dying. I ...... it more often.

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