31. The Mekong river is shorter than the Mississippi river.

32. The Caribbean is larger than the Mediterranean Sea

33. Mt. Everest is higher than Mount Fuji

34. Africa is bigger than North America

35. Europe is smaller than South America

36. The streets in Da Nang are noisier and more crowded than those in Hue

37. Canada is bigger than the United States in area

38. Indonesia is larger than Japan in population.

39. Fruit is better for your health than candy.

40. This exercise is easier than that one.

1 shorter than

2 larger than

3 higher than

4 bigger than

5 smaller than

6 more and more croweded than

7  bigger than

8 lảger than

9  is better than

10 is easier than