—What do you think of the book? —It’s ______ a book. It serves as (充当)a really good guide to job hunters.
It is _____ impossible.
Don’t leave your work____, . A done half B. half done C. a half done D. done a have
Four is ____ of two.
This is the ______ short story that he has written. A. three hundred and forty-fifth B. three hundred and forty-fifth
He has lived at____ for 30 years.