54. Kevin is ________ in stamp collection. (interest)

53. My father likes French food, while my mother prefers _________ food. (Italy)

52. Liu Xiang and Yang Liwei are _________ (hero) in different fields.

51. Lucy is ______________ (jealousy) of her friend’s beauty.

50. Be careful! Put the secret letter in a _________ (safety) place.

49. It’s more _________ (convenience) to take a taxi to the station than take a bus, but too expensive.

48. I’m very _________ (interest) in that _________ (interest) story.

47. The weather in Beijing is quite ___________ (difference) from that in Guangzhou.

46. The boy is old enough to __________ (dress) himself.

45. The Yellow River is the second __________ (long) river in China.