— 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
Our teachers don’t _____ us to listen to music in the classroom.
--- I don’t have a partner to play table tennis with.--- Why _____ a sports club? There you can find some good partners.
You can’t _____your parents to keep giving you money.
It’s impolite to _____ your parents. You should talk to them politely.
_____ prepare for the coming exam, Dave stays up late every night.