11. He uses plastic bags to wrap food. I suggest…………………………………………………… 12. She always turns on the lights when going to bed. I suggest………………………………………………

11.He uses plastic bag to wrap food.

I suggest he should use cloth bag to wrap food.

12.She always turns on the lights when going to bed.

I suggest his sister should turn off the lights when going to bed.

13. His motorcycle uses too much gas.

I suggest his motorbike shouldn’t use too much gases.

14. They use electricity to catch fish.

I suggest they shouldn’t use electricity to catch fish.

15.There are many cracks in your pipes.

I suggest you should check your pipe.

16.I don’t want to watch TV for recreation.

17.They use many ordinary 100 watt light bulbs.

I suggest they shouldn’t use many ordinary 100 watt light bulb.

18.He is having a toothache

I suggest he should go to the dentist.

19.He want to go to Australia for studying

I suggest she should study hard so as to go to America for studying.

20.They use too much coal, gas and oil.

I suggest they should use less coal,gas and oil.