It is reported that China has created the first man-made sun in the world recently, ______ ?

I made a promiseanyone set me free I would make him rich.

There’s________ interesting pay phone next to_______ post office.

As we know, you won’t go back to the USA since you have established a research center here．But how long _____ in America? —– For almost

Though we are not walking slowly, I still think that it won’t be _________ he _________up with us.