— I don’t know how to be successful. — you work hard, nothing is impossible (不可能的).
This is about 10________in size.
What’s________river in the world?
The world’s population is growing________and there is________land and water for growing rice.
Lanzhou is the only capital city that the Yellow River,the second________river in China,passes through.
—What’s she doing?—She is cheating________.