–I want to return the book to John, but I can’t find him.--He______ the library. You can find him there.
We can’t afford _____ such a high price .
I have _____ work to do that I can’t go out with you .
She doesn’t feel _____ though she is ____.
When we practice_____English,we often end up___in Chinese.
_____ the help of the teacher,he became a good student.