----_______ did you sing last night?----About two hours.
—As teenagers, we should _____ seats to anyone in need when taking a bus.—I agree with you.
—Do you know what the meeting is about? —Yes, of course. It will _____some important rules we need to know about our school.
—Could I use your phone? —Yes, of course you ____ .
—Mike didn’t notice the sign ____ it was right in front of him.—How careless he is!
— Your name again, please? ___________ -- It’s Bell Green.