By the time she reached the corner of the street, the footsteps _________.

----You haven’t said a word about the design ,Mike. What’s your idea?
----I’m sorry I _______ about something else just now.

I thought it ＿＿ very boring, but it wasn’t.

The book ＿＿, it’s a best-seller.

It is the first time that Chinese astronaut Wang Yue________as one of the volunteers for the Mars-500 test project .   

The hall ______ for our school Christmas party and everything will soon be ready.

. Either you or the headmaster ______ the prizes to the gifted students.

. The Roman Empire _____ for several centuries.

You’d better not phone me between two and six o’clock this afternoon; I ___
a speech then.

You’re not _______to smoke here, because it’s a non-smoking area.