1. Jack is not polite to people, and he is always ___________ (戏弄) those who have a bad leg.
2. The pianist is ___________ (演奏) in the city hall tomorrow.
3. Pay attention to your ___________ (表现，举止) especially when you visit other families.
4. My father never shows ___________ (喜爱) for my brother and me before guests.
5. Later he began to write in an unknown ___________ (风格).
