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100
Keiko always does really well on exams. She _________(study) a lot.
Keiko always does really well on exams. She must study a lot.
100
That woman drives a very expensive car. She ________ (have) a lot of money.
That woman drives a very expensive car. She must have a lot of money.
100
Where is my purse? I saw it earlier, so it ____(be) in this room.
Where is my purse? I saw it earlier, so it must be in this room.
100
Anna has a huge library in her house. She _______ (love) books.
Anna has a huge library in her house. She must love books.
100
What an amazing kitchen you've got! You _____(like) cooking.
What an amazing kitchen you've got! You must like cooking.
200
John always fails the tests, even though he's clever. He _____ study enough.
John always fails the tests, even though he's clever. He can't study enough.
200
I don’t think Sarah ______ accept the job offer.
I don’t think Sarah will accept the job offer.
200
I've bought a lottery ticket. There's a chance I'll become a millionaire!
I ______ become a millionaire! 
I've bought a lottery ticket. There's a chance I'll become a millionaire!
I may/could/might become a millionaire!
200
Is it _______ that you will cry when you see him?
Is it likely that you will cry when you see him?
200
This bill _____ be right! £50 for two cups of coffee!.
This bill can't be right! £50 for two cups of coffee!.
300
Are you ______ to see John tomorrow?
Are you likely to see John tomorrow?
300
If you work hard, I expect you will do well on your exam. (could/should)
If you work hard, you should do well on your exam.
300
He ______ be at work now, can he? It's nearly midnight.
He can't be at work now, can he? It's nearly midnight.
300
It only takes three hours to fly from London to Sydney? That ______ be correct!.
It only takes three hours to fly from London to Sydney? That can't be correct!.
300
They ________________ be away for the weekend but I'm not sure.
They may/might/could be away for the weekend but I'm not sure.
400
They're coming this week but I don't know which day.
They _______ be coming tomorrow.
They're coming this week but I don't know which day. They might/could/may be coming tomorrow.
400
Her life ______ be easy. She has four children and very little money.
Her life can't be easy. She has four children and very little money.
400
That candidate should/may definitely win the election. She’s very popular.
That candidate should definitely win the election. She’s very popular.
400
I assume Harry has left the hotel by now. (will/could)
Harry will have left the hotel by now.
400
I think it's unlikely our school team will win the league. (can't/will)
I don't think our school team will win the league.
500
It is likely to be cold next month. (Chances/bound)
Chances are it will be cold next month.
500
They told me to prepare the project by tomorrow but it's almost impossible to have it done so fast.
I _________ finish it by tomorrow if I stay at work all night, but I'm not sure.
They told me to prepare the project by tomorrow but it's almost impossible to have it done so fast.
I might/could/may finish it by tomorrow if I stay at work all night, but I'm not sure.
500
It's certain that Kate will get the job. (bound/likely)
Kate is bound to get the job.
500
I'm not sure I'm going to pass the exam. I don't feel very confident.
I ________ pass the exam. I don't feel very confident.
I'm not sure I'm going to pass the exam. I don't feel very confident.
I may not/might not pass the exam. I don't feel very confident.
500
I assume your teachers are enjoying the holiday. (will/chances)
Your teachers will be enjoying the holiday.