Fill the gaps using “must”, “may” or “can’t”. It ______________ be your mother. She looks so young!
Ann ______________ be at school right now. I spoke to her on the phone 10 minutes ago.
Carol ______________ be at home. I don’t really know.
Jane ______________ be at work. I am sure today is her day-off.
He ______________ know her husband. They work for the same company.
She ______________ be having breakfast. She never has breakfast at home.
This car ______________ be mine. Mine is red.
She ______________ have to leave her children with her mother, but she isn’t certain yet.
You ______________ have eaten the whole cake, it was so huge!
She ______________ like French rolls. She buys them sometimes.

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