`1.` There are six ways to keep healthy.

+ Do more exercises

+ Sleep more

+ Eat less junk food

+ Wash your hands more

+ Watch less TV

+ Spend less time playing computer games

`2.` Stay in shape is our most important trip.

- Stay in shape is our most important tip.

`3.` Because It helps you to avoid depression and it helps you concentrate at school.

- It helps you to avoid depression and it helps you concentrate at school. (Hỏi là Why thì tl phải có because)

`4.` We should all try to keep clean more.

- We should all try to keep clean more.

`5.` No, we shouldn't

- S + should + V-inf

- ANS: Yes,S + should / No, S + shouldn't

`6.` Because it is harmful to eyes and sitting a for long time is also harmful to the spine.

`IV.`

`1.` What's the matter with you?

- Dịch: Có chuyện gì xảy ra với bạn?

`2.` Do you suffer from headache?

- Dịch: Bạn có bị đau đầu ko?

`3.` I have a sore throat.

- S + have/has + N + ...

`4.` Should I take some medicine?

- Should + S + V-inf + ...?

`5.` I visit a dentist twice a year.

- Thì HTD: twice a year

`6.` You should do more exercise.

- S + should + V-inf +...

`7.` You should not stay up late.

- S + should not (shouldn't) + V-inf + ...