— Mary, you don’t look very happy today. What’s up?— Oh, ______. I don’t think I can get that new job.
I don’t like ____ you speak to her.
That is one of those books that ____ worth reading.
This is the only one of the students whose handwriting ____ the best.
There was ____ to prevent the accident.
Yesterday Mr. Li finally bought his own house, _______ is a hospital.