The most important thing about cotton in history is _____ part that it played in ____ Industrial Revolution.
The medicine bought at a high price turned out to have no _____.
—Peter, let’s check what we still have left. —Well, _____ is no use evaluating the total loss before the typhoon leaves.
---Did you listen to the lecture? ---Yes, I have never heard a ___________ one.
Travelling, talking with friends and relatives, and other forms of relaxation are very likely to _______ the well-being of metal health.
My elder brother has gone to Tibet to work as a volunteer teacher. Influenced by him, I also want to become_______when I graduate from the university.