7.听下面一段材料,完成第16至20题 16.Where did Jack work? A.On a farm. B.In an office. C.In a factory. 17.How often did he get his money? A.Every month. B.Every week. C.Every half a month. 18.What happened this month? A.Jack got more money. B.Jack got less money. C.Jack got enough money. 19.From this passage we know that略. A.the manager believed Jack B.Jack wasn't an honest man C.Jack was an honest man 20.CouldJack go on working in this factory? A.The story didn't tell us. B.Yes,he could. C.No,he couldn't.