—I’m sorry for losing your pen.—_______I have another one.A. You’re welcomeB. That’s rightC. It’s nothing
—Could I borrow your camera? —________,but please give it back by Saturday.
—Sir,could you please put out your cigarette?This is a smoke-free(无烟的)school. —________.
Few people think about what they can do________others.
—What are they doing now? —They are busy________articles in the room.
They decided________the homeless kids.