A．people need sugar to give them energy B．sugar is bad for the health C．the use of sugar is habit forming D．sugar only sweetens food, but provides us with nothing useful
单项选择题59（）
A．all fight B．good C．better D．nice
单项选择题With time going on,（）.
A．a luxury may change into a need which most people want to get B．the basic needs are getting smaller and smaller C．a luxury and the basic needs can be exchanged D．the basic needs can be changed into a luxury
