78．当然，我也喜欢垃圾食品，但我一周吃一次。

Of course，I love______ food too，but I try to eat it______ a week．

77．很容易有个健康的生活方式，同时饮食平衡也很重要．

It’s______ to have a healthy lifestyle，and it’s important to eat a______ diet．

76．在世界的其它地方，人们都是坐公交车上班．

In_______ _______of the world，people go to work by bus．

75．Pedro is the tallest in his class．(同义句)

Pedro is _________ _________any other student in his class．

74．It is three miles from his house to the school．(划线提问)

_________ _________ is it from his house to the school?

73．I'm going to see the movies with my friends tonight．(划线提问)　 　

_________ _________ you going to see the movies with tonight?

72．Mary is ten years old．Tom is six years old．(将两个句子合并成一句)

Mary is four_________ _________ than Tom．

71．It’s Friday the l3th today．(对划线部分提问) 　

_________ _________ today?

70．My sister is lazy and unhealthy because she_________ exercises．

69．Many people like him．And he is_________ than you．