It’s time that you_____with the relief work in the flood-stricken area after the awful typhoon.

—George, ___   _ you sing so loudly at such a late hour? —I am terribly sorry．

But for the fact that China _____also affected by the global economic crisis，we ____ fewer unemployed workers now.

The little girl _____ there alone.

If it had not been for the help of my English teacher, I _____ such great progress.