The supermarket usually ________ at 9 a.m. But it is ________ today.

Do you know _________ the English speech competition Next Friday evening.

_______ good suggestion ! I haven’t heard of_______ wonderful advice for a long time.

On snowy days, a driver must drive as ____as possible.

（2014年北京市西城区高三5月二模试题）25The report aims to explain how these conclusions ______