All these changes will lead to a strong and powerful China,_____that can surprise the whole world.

Mr. Lee made ______ a rule that we must come to school on time.

. She learnt both business and history, but she knows________of them well, though she can speak on subjects in general.

---I’m too busy, could you do _______ to help me?--- Of course. I can do _______ for you if you want me to.

For ____ interested in getting on line, the school offers an Internet bar.