—Who is          person in China?—I think Yao Ming is.

According to the latest reports on TV and in the newspaper, food safety is becoming a ____________ serious worldwide problem.

 Of all the students, Li Ming is          to Mr. Wang.

Tonny is the best student of the three. In other words, he is _______ student than the other two.

-Do you like the film? --Yes, I do. In fact, I’ve never seen a           one.