—Which city has __________ population, Shanghai, Hangzhou or Ningbo?  ----Shanghai, of course.

He often talks   but does      .Poople like him.

The more you smile ,the       you will feel .

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

－Hi, Tom, which is the          street in your city ?－High Street. Many people go shopping there.