—Tom, you should avoid____ late for class.—I' m sorry. I won' t be late again.
How many men does your unclefor him?
—Where did you come across your old classmate Jane? —It was in the supermarket _________ she worked _________ I came across her.
—I’ll have nothing to wear to work on Monday ______ I pick up my clothes at dry cleaners’. —Then you’d better hurry. It closes at noon on Sundays.
______ Spring Festival coming, train tickets must be purchased two weeks in advance.
The boy ______ in the teacher’s office was found ______ yesterday.