67． 那听起来很有趣。　　　　　　 That __________ ___________．

66．-今天什么日子？　 -星期一，14号。

-__________ today?　　　　　 -It’s ___________, the 14^th．

65． 我们都应为保持生态平衡做贡献。

　　　 　We should help to ___________ the balance of ___________．

64． 养成一种健康的生活方式是非常困难的。

　　　 　________ very difficult _______ have a healthy lifestyle．

63． 比尔每天花费半个小时做作业。

　　 　It takes Bill half an hour _________ _________ his homework every day．

62． 如果牙疼你应该去看牙医．

　　　 　You should see a ____________ if you have a ______________．

61．你准备和谁去。　　　 __________ are you ____________ with?

60． She studies______ (good) than I．

59．Tom comes to school ______ (early) than Jim．

58．The weather in Shanghai is ______ (hot) than that in Beijing．