—Are you going to Beijing by plane?—It’s fast, but expensive, so I am not sure. I _______ take a train there.
It’s time for class. Please stop __________.
Could you please ________ the door?
I don’t have _________ money at the moment.
Thank you for taking __________ of me.
What do young people thinkplaces in town ? A. about B over C. of D. out