Ex5:
1. Smoking can lead to lung cancer, so smoke **less**.
2. She looks very tired after coming back from work. She should rest **more**.
3. If you wash your hands **more often** than you will be less chance of having flu.
4. Eat **more** fruits and vegetables.
5. Sleep **more** and don't go to bed too late.
6. Spend **less** time on TV and pay **more** attention to your siblings.
7. Have some **more** yogurt. It will be good for your stomach.
8. Eat **less** high-fat food to avoid obesity.
Exercise 6: Fill in the blanks with and, so, but, or.
1. We stayed at home **and** watched a film.
2. I want to buy a new car, **but** I don’t have enough money.
3. She had a terrible headache last night, **so** she couldn’t go out.
4. I eat cake, **but** I never eat biscuits; I don’t like them.
5. Would you like cake **or** biscuits with your coffee?