The first decade in the 21st century _______ the rapid rise of China as a world economic power.

一When shall we start the restoration of the historic buildings?一Not until our plan________ by the committee．

It is ten years since he _______ in this college.

This kind of glasses made by experienced craftsmen _________ comfortably.

—Where is your brother?   —He has gone to Beijing. He         back in three days.