跪求人教八上英语书p14的2c2d2e

2C
1. Twenty percent students.
2. Ninety percent students.
3. Most students watch TV every day.   They usually watch sports,game shows.
4. Exercise.  It’shealthy for the mind and the body.
5. No,I don’t think so. 
Because most students use Internet or watch TV on their free time.They don’t like exercising.It’s unhealthy
3d
1. Ninety percent of the students always use the Internet.
2. Eighty percent of the students always watch TV.
3.Forty-five percent of the students usually exercise.
4.Ten percent of the students sometimes use the Internet.
5.Thirteen percent of the students usually watch TV.
6. Two percent of the students sometimes watch TV.