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What's that terrible noise? Maluma ________ right now.
What's that terrible noise? Maluma must be singing right now.
He _____________ be a vegetarian. I have never seen him eating meat.
He must be a vegetarian. I have never seen him eating meat.
He's working full-time and studying for his Ph.D. That ________________ be easy.
He's working full-time and studying for his Ph.D. That can't be easy.
You ________________ be right - but I'm going to check to make sure.
You might be right - but I'm going to check to make sure.
Do you think you _______ go to the summer camp if you save up enough money?
Do you think you might/may/could go to the summer camp if you save up enough money?
I'm sure she _________ now because she didn't have breakfast.
I'm sure she must be eating now because she didn't have breakfast.
She's won prizes for her research. She _______________ be really intelligent.
She's won prizes for her research. She must be really intelligent.
You haven't studied yet so you ____ be exhausted.
You haven't studied yet so you can't be exhausted.
We're not sure if this painting is an original. It ________________ be worth thousands of dollars.
We're not sure if this painting is an original. It might be worth thousands of dollars.
Does anyone know where Sophie works? I’m not sure, I think it _______ be West London.
Does anyone know where Sophie works? I’m not sure, I think it might/could/may be West London.
He isn't working right now. He ______ the final World Cup match.
He isn't working right now. He must be watching the final World Cup match.
You’re a zookeeper? That _____ very interesting.
You’re a zookeeper? That must be very interesting.
Really? He has to work on Christmas Day? He ______ feel very happy about that.
Really? He has to work on Christmas Day? He can’t feel very happy about that.
I ________________ not be able to go to the football game. It depends on whether I can get the afternoon off from work.
I might not be able to go to the football game. It depends on whether I can get the afternoon off from work.
You’ve been playing tennis in this hot sun for almost four hours. You _______ be thirsty!
You’ve been playing tennis in this hot sun for almost four hours. You must be thirsty!
Who's calling? That _____ be mom ______ from Bali.
Who's calling? That might/must/may be mom phoning/calling from Bali.
He ______ live near here because he comes to work on foot.
He must live near here because he comes to work on foot.
It _____ be a burglar. All the doors and windows are locked.
It can’t be a burglar. All the doors and windows are locked.
Wow - look at that diamond necklace. It ________________ cost a fortune.
Wow - look at that diamond necklace. It must cost a fortune.
He worked hard on his report, then accidentally deleted the file from his computer. He ________________ be upset.
He worked hard on his report, then accidentally deleted the file from his computer. He must be upset.
He ______ to Rome at the moment because he isn't at home.
He might be traveling to Rome at the moment because he isn't at home but I'm not sure..
Come inside and get warm – you ____ be f_____ out there.
Come inside and get warm – you must be freezing out there.
It ______ be far away now. We’ve been driving for hours. Where’s the map?
It can’t be far away now. We’ve been driving for hours. Where’s the map?
You just ate a huge dinner! You ________________ be hungry again already!
You just ate a huge dinner! You can't be hungry again already!
She goes camping every weekend. She ________________ really love the outdoors.
She goes camping every weekend. She must really love the outdoors.