—The film Tangshan Earthquake will be at 7:30 pm.Shall I pick you up at 6:40 pm? —OK, I you at that time.
—Do you have anything to say for yourselves? —Yes,there's one point ______ we must insist on.
Having been praised by the teacher,the little girl ran back home,______.
Despite their______ of interest,Fleming kept trying to develop the chemical ______ it would be safe and effective.
Helen always helps her mother even though going to school ______ most of her day.
We regret to inform you that there are no tickets ______ for Friday's performance.