— Susan, would you like to go hiking with us this afternoon?— I'd love to, but I study for a test.A. may B. have to C. can
Can you _________ who has taken it away?
---Have you returned the book to the library ____? ---Yes, I have ____ returned it.
He is very ________today. Look, he is laughing _________.
We would like you ________ and we look forward _________ you.
There is a new bridge ________ the river in front of my house.