Mr. Smith ______ the grammar book meant for senior high school students and will almost finish it.

The Russian rocket designer has died. For many years, he ______ as an important assistant to the father of Soviet space program.  

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

Mr. Black _____ for Shanghai in a few days. Do you know when the earliest plane ____on Sunday?

The weather makes so much trouble.It        every day so far this week.