20．16．Jim used to be ． A．athletic B．hard-working C．quiet 17．Jim relaxed himself by in the past． A．listening to music B．watching TV C．playing computer games 18．Jim hardly ever in the past． A．did outdoor activities B．went to sleep late C．got up early 19．We know that Jim now． A．has to stay at home B．has to stay in hospital C．is in poor health 20．What can we learn from the passage？ A．People sure change． B．Health is very important． C．All work and no play makes Jim dull．
