—Can you give this book ____ Jack?—Yes, I can.
—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.