— You aren’ t a student , are you ? — _____ , don’ t you remember _____ me in the classroom ten minutes ago .
One year has four seasons and it_____ twelve months
-Look! The boy with green hair is cool! - But I don’t think students _____to color their hair.
_____Roy ____Jean speaks good English, so they can communicate with these American students very well.
-My parents always warns me ______ with fire. -They are right. It’s dangerous.
- Mrs. Smith ______ singing as a hobby in her sixties, and she is really good at it now. -It’s never too old to learn.