--Are you ________ the dark? --Oh, yes. I always go to sleep with the light on.
Lily is over there,and she is talking to a friend________the phone.
I didn’t stop working________it was quite late.
Sometimes most of us probably are angry________our friends,parents or teachers.
David is________than his brother.So he always makes more mistakes.
I learned________a horse last year,and now I’m good at it.