he girl sitting next to me on the plane was very nervous, for she before.

I’ve read ____ sports news about theBeijing2 008 Olympic Games today.

one children want to challenge themselves by learning a language different from ______ their parents speak at home.

What a clear blue sky!—Yes, I have never seen sky.

This printer is of good quality. If it ________ break down within the first year, we would repair it at our expense.[ ]