My parents are     teachers. They work in the same school.

Staying up late is _______ your health.

As a student, I always have          homework to do.

Daniel is a very _____ football player and he plays very ______.

You are _______ out all the difficult problems .

China is large than _______country in Asia(亚洲).

I don’t think swimming is ______as hiking.

E-mail is much ______than long-distance calling.

Please listen to the teacher as _______ as you can in class.

Our city is one of _________cities in china.