—Sir, could you please put out your cigarette? This is a smoke-free (无烟的) school.—______
—I don’t have enough money.Could you please________me some? —Sure.Here you are.
We have to finish________the book tomorrow.
It’s very easy for robots________the job.
Many students________history because they think it’s boring.
—Could I look at your picture? —Yes,of course you________.