1. The student was so ________ (吸引)in the book that he didn’t hear the bell.
2. What happened in the factory is being ________ (私下说) about in the neighborhood.
3. She likes ________ (指示) the direction by pointing with her finger.
4. They ________ (交换) things according to the cost of production.
5. A gentleman with good ________ (礼貌) will be respected by others.
