They often use wood as fuel to ________ coal.

________ no need for everybody to discussthe problem again since it has already been solved

Excuse me, where is the nearest Bank of China– Go straight down this street. It is just ________ the bookstore.

She has changed so much that she is out ofour______

There are so many books. Would you please ask some students _______ me ______ them to the classroom — Ok.