The most important thing about cotton in history is ______part that it played in _______Industrial Revolution.
On the top of the books ________the stamp album my uncle gave me as a birthday present.
---Life is full of opportunities for you. ---That’s right. _____.
For quite _____ students,their teacher's advice is more important than _____ of their parents.
“I in the dormitory, watching the live TV broadcast about the tsunami.” David told the policeman who had driven there to question him.
The cousins are alike in age,but ________ they are as different as day and night.