— A number of volunteers willing to work in poor areas in the western part of China. — Yes, the number is getting .
---Mind your steps, guy! Don’t you see the words “__________ the grass”?
Nobody can learn English well __________he works hard on it.
I agree with most of what you said ,but I don’t agree with _______.
The ice changed ____ water ____ warm air around .
Let’s give Tina some ________, she has failed in math .