— 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
Betty will ring me up as soon as she _____ in Shanghai.
Mr. Smith came to our school in 2003. He _____ here for 10 years.
Some boys of Class One enjoy _____ pop music.
— Who listens ______ , Eric , Brad or Rick? — Of course Brad.
Mum, Harry Potter is my favorite great book. I ______ it three times already.