62. China is still a ___________ country. (发展)

61. He’s interested in __________ different problems. (解决)

60. The teacher speaks slowly in order to make himself __________. (理解)

59. That football match was worth __________. (看)

58. She’s the __________ of the two girls. (健康)

57.It’s only ten __________ walk. (分钟)

56. One of the __________ was caught by the police yesterday. (小偷)