--_____do you tell him about the event?--By ____ e-mails.
Lucy enjoys playing computer games, but she can’t _______ lots of time ______ that.
—Did Lisa invite you _____ her house? —Sure, she did.
—Please remember, kids. ______ careful you are, _______mistakes you will make. —We know, Mr. Li.
Tom often helps me ______my math after school.
Jimmy has sixteen broken bikes to________ and gives away to kids who don’t have bikes.