-- Whose notebook is this ? -- It _______ Mary. It has her name on it. A. must be B. can’t belong C. must belong to
-Hi, Bruce. Here’s a letter for you. -Thanks. I wonder_________.
If by any chance Peter comes to us, please ask him to leave a _________.
-Where’s Lisa, Eric? -She __________ to the library.
I don’t remember when and where I __________ this umbrella.
-What’s his brother? -He is a teacher. He__________ maths at a school.