I want to be an astronaut like Yang Liwei when I grow up.—That sounds ____. I hope your dream can come true.

Guizhou is ______the west of Hunan, but_________ the southwest of China.

I once heard him ____ that a rainbow was a bridge from earth to heaven.

When the school building began to shake,the teachers ran downstairs _____ all the students. The teachers are real heroes. [ ]

I have __________ written my composition, but she hasn’t __________.