1 . If we plant more trees , the air will be fresher 

2 If we use fewer cars , we will reduce pollution 

3 if we cycle to school everyday , we will keep fitter 

4 if we use recycled products , we will save money 

5 if people throw rubbish into the right bin , they will keep the invironment clean 

6 if we turn off the tap when brushing the teenth , we will save a lot of water 

7 if people travel more public transport , the hamful gases in big cities will be ....

8 if we start at six , we will arrive there before noon

9 if the boy doesn't eat so may green apple , he will be ill 

10 if we will reusable for shopping , we will reduce waste 

------- Hoc tot nhe --------

1. we will plant more trees. The air will be fresher.

=> If we plant more trees, the air will be fresher.

2. WE will use fewer cars. WE will reduce pollution.

=> If we use fewer cars, we will reduce pollution.

3. WE will cycle to school every day. We will keep fitter.

=> If we cycle to school everyday, we will keep fitter.

4. We will use recyled products. We will save money.

=> If we use recyled products, we will save money.

5. People will throw rubbish into the right bin. They will keep the environment.

=> If people throw rubbish into the right bin, they will keep the environment.

6. We will turn off the tap when brushing the teeth. We will save a lot of water.

=> If we turn off the tap when brushing the teenth , we will save a lot of water 

7. People will travel more by public transport. The harmful gases in big cities will be re

=> If people travel more public transport , the hamful gases in big cities will be 

8. We will start at six. We will arrive there before noon.

=> If we start at six , we will arrive there before noon

9. The boy eats so may green apples. He will be ill.

=> If the boy doesn't eat so may green apple , he will be ill 

10. We will use reusable bags for shopping. We will reduce waste.

=> If we will reusable for shopping , we will reduce waste