`20` . The harder you work , the better results you will get

`21` . The more you learn with him , the better you will know him.

`22` . The more people live in this city , the more services they need.

`23` . The more exercises you do , the fitter you are.

`24` . The more he wrote , the better his writing becomes.

`25` . The more wood pulp they use , the more trees they cut.

`26` . The more they travel , the better they know about the world

`27` . The more Jack eats , the fatter he becomes.

`28` . The later we start, the more traffic jams we get into.

`29` . The more polluted air we breathe , the weaker we will get.

`30` . The cheaper means of transport are , the more popular they become.

`31` . The harder she studies,the better marks she gets

`32` . The more you rest , the better you will feel.

`33` . The warmer the weather is , the better I feel

`34` . The earlier we leave , the sooner we will arrive

`35` . The more knowledge we have , the wiser we become.

`36` . The younger you are , the easier you learn.

`37` . The more expensive the hotel is , the better the services are.

`38` . The more electricity you use , the higher your bill will be.

`39` . The more I thought about the plan , the less I liked it.

`40` . The older he is , the slowlier he learns.

20. You work hard, you will get good results.

⇒ The harder you work , the better results you will get.

21. You learn with him much, you will know him well. 

⇒ The more you learn with him , the better you will know him.

22. Many people live in this city, they need many services.

⇒ The more people live in this city , the more services they need.

23. You do much exercises, you are fit.

⇒  The more exercises you do , the fitter you are.

24. He wrote much, his writing becomes good

⇒ The more he wrote , the better his writing becomes.

25. They use much wood pulp, they cut many trees.

⇒ The more wood pulp they use , the more trees they cut.

26. They travel much, they know about the world well.

⇒ The more they travel , the better they know about the world

27. Jack eats much, he becomes fat

⇒ The more Jack eats , the fatter he becomes.

28. We start late, we get into many traffic jams. 

⇒ The later we start, the more traffic jams we get into.

29. We breathe much polluted air, we will get weak.

⇒ The more polluted air we breathe , the weaker we will get.

30. Means of transport are cheap, they become popular

⇒ The cheaper means of transport are , the more popular they become.

31. She studies hard, she gets a lot of good marks

⇒ The harder she studies,the better marks she gets

32. You rest much, you will feel better.

⇒ The more you rest , the better you will feel.

33. The weather is warmer, I feel better.

⇒ The warmer the weather is , the better I feel

34. We leave early, we will arrive soon

⇒ The earlier we leave , the sooner we will arrive.

35. We have much knowledge, we become wise.

⇒ The more knowledge we have , the wiser we become.

36. You are young, you learn easily.

⇒ The younger you are , the easier you learn.

37. The hotel is expensive, the services are good.

⇒ The more expensive the hotel is , the better the services are.

38. You use much electricity, your bill will be high.

⇒ The more electricity you use , the higher your bill will be.

39.  I thought about the plan, I liked it little.

⇒ The more I thought about the plan , the less I liked it.

40. He is old, he learns slowly.

⇒ The older he is , the slowlier he learns.

Cho mình xin câu trả lời hay nhất nha!