50．A．sleep        B．food             C．fruit                      D．pleasure

A

  When you go to the doctor’s，you may often have your eyesight checked．The doctor always makes you read a chart with big or small “E’s”on it．

  49．A．stops         B．goes on         C．finds out        D．hurries

  48．A．money      B．help             C．grades             D．results

  47．A．friends      B．games           C．subjects           D．business