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'I haven't seen Jeff today. Is he off sick?' 'He __________ be - I saw his car in the car park.'
may
must
might
can't
Look at that guy over there. He's only got a T-shirt on and it's 5 degrees. He _________ be freezing!
might
can't
may
must
What kind of bird is that?' 'I'm not sure. It __________ be an eagle but I can't see it very well.'
might
must
can't
may not
You ____________ be hungry again - you've only just eaten!
must
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may
can't
You ___________ be hungry - you haven't eaten since this morning.
might not
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may not
can't
'Whose bag is this?' 'It __________ be Mike's. It's on his desk.'
might not
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can't
may not
'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.'
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may not
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can't
'Is that Suzie's jacket?' 'No, it ___________ be - it's too big.'
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might
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I'm starving! What's for dinner, Mum?' 'Fish.' 'I hate fish! I'm not eating it.' 'You ____________ be very hungry, then.'
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may
'There's someone at the door.' 'It ____________ be John. He just called to say he was coming.'
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'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?'
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can't
That man ______________ be Tim's father - he looks just like him.
must
can't
'Have you see Clara?' 'She's gone for lunch. She ___________ be in the canteen.'
may not
might not
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can't
Where's Kim?' I'm not sure. Try her office - she ___________ be in there.'
must
may
can't
The door is open! I ....... to lock it when I left this morning.
must have forgotten
must forget
must forgotten
must have forgot
This plant is dying. I ...... it more often.
shouldn't have watered
should have watered
should watered
should to water
