He volunteered to work in a remote mountainous village in West China last year, which is still _____ on foot now.
When she woke up, she realized that the things she had dreamt about could not have happened.
Don’t leave your work .
The book is of great value can be enjoyed form it until you have a deep understanding of it, however.
One of the sides of the board should be painted yellow, and .
---You don’t often see them, do you? ---No, I see of them.