1. 单句改错

1. （1） We were prevented from attend Professor Li's lecture by the heavy rain.
3. （2） All the five daughters, in her turn, took care of the sick father in hospital.
5. （3） It is not polite by moving your eyes away from the person you are talking with.
7. （4） You needn't worry because this snake is harm to us.
9. （5） The poor of the city, where had lived such a hard life, fought against the rich in the end.
11. （6） Men from these countries often stand quite closely to other men when talking.
13. （7） It is uncertain that he'll succeed in passing the driving test or not.
15. （8） We should pay attention to the different of body language in different cultures.
17. （9） Jack wasn't saying anything and the teacher smiled at him as if he had done something very clever.
19. （10） Mr. Smith come from Canada is interested in the development of business in Shanghai.