They     out hitting two stones together could make a spark（火花）. The spark could set dry leaves on fire. They could start this kind of fire again if it went out. Then people also learned to make a fire by rubbing（摩擦） two stick together. They made a hole on a large stick and put a     stick into the hole. And then they turned the stick again and again.    a few minutes they started a fire.
About two hundred years ago. People began to     matches （火柴）. One early match looked     the match we used today. The match gave people a     way to start a fire. Today people are     finding new ways to start fires. One of the new ways to start a fire is to use an electronic fire starter（电子打火器）. Now you can     matches and electronic fire starters at shops. Of course an electronic fire starter is more expensive than    .     it is useful.
After people learned to make fires, their lives became     

A．can cook B．can eat C．can’t cook D．can’t eat

A．quiet B．full C．hot D．warm

A．ask B．keep C．let D．make

A．no way B．no idea C．a way D．an idea

A．took B．found C．looked D．heard

A．larger B．large C．smaller D．smallest

A．After B．Before C．When D．For

A．invented B．do C．make D．used

A．up B．different C．the same D．like

A．quick and easy B．slow and difficult C．new and interesting D．important and clever

A．always B．already C．even D．still

A．sell B．buy C．see D．find

A．a match B．a box of match C．a box of matches D．a box matches

A．so B．and C．but D．because

A．harder and harder B．easier and easier C．longer and longer D．happier and happier