根据下面句子中所给汉语注释，在句子后面的横线上，写出空缺处各单词的正确形式。(每空一词)

66．They often play cards and _________ (中国)chess．              

67．There are many _________ (工厂)in my hometown．              

68．The ticket is _________ (无用)now．You needn’t keep it．         

69．Lily is _________ (看)TV．                                  

70．Kitty has __________ (买)her purse for a year．