----We love our capital Beijing, one of ______cities in the world. ------So do I. 

In English, she’s ______ writing than listening.

—You see, “Food Safety” receives thousands of Internet hits a day. —Yes, it becomes one of the _________ topics(话题) these days.

If you want to be healthier,you should eat ______ meat and______ vegetables .

Mr. Brown has ________ children. And Mary is _______ one.