The old professor told us that every part of the materials should be made use of __________ the station.
—Have you got used to the Chinese food, Huang Yan? —Yes, but I hate ________ when a Chinese host keeps serving me the food I don’t like.
I have no dreams _______ to have a happy life.
Many people can’t learn any lessons from the mistakes they’ve made they get hurt somehow.
—Amazing! You wear slippers at work.—Don’t you know it’s a fashion?
—What are you busy with? —The conference _______ in our city next week.