49. Laughing ________ (loud) is good for your health.

48. An airplane is ________ (fast) than a bus.

47. Danny and Jenny often go for a ________ (walk) after supper every day.

46. My classmates are from six ________ (country).

45. “We are thirsty. Would you like w________?” “Yes, please.”

44. I do my ________ (家庭作业) every day.

43. You can walk to the front. The train s________ is over there.

42. Now, I’m putting f________ in my camera.

41. Many Chinese p________ like to eat dumplings.

40. W________ is the fourth day of the week.