Do you know why the sun looks much bigger on the horizon?—- Well, well, ______. I’ ve never read about that.

The number of the students in our school is about nine ____. ____ of them are boys.

The pair of trainers is a little small. Can you give me ______________?

There is no _______ that drinking milk before going to bed is helpful to our health.

What do you think of the movie Avatar？— Interesting. It is _______ again.