-----Why do many people like to ride bikes?----Because bikes not only need ________ space, but also cause _________accidents.

--- Driving on icy roads is very dangerous ! The more ice there is, the _______ down the road you have to look. You should be more careful. --- OK, I will.

–What’s the price of iphone4S these days? --It is much ____. You may go and buy one.

There’s too much noise here. I think we need a            place to study.

The students come to school early, but the teachers come __________.