Now more and more people get to know that exercise is important. We     need to exercise. Doctors say it is good for us. It makes us      and healthier.      who often exercise are more alert (机灵的). This means they do     in exams and schoolwork than those who don’t exercise.
There are many ways   . You can walk, run, swim, or play ball games. You have to like  you’re doing. Try all kinds of things      you find one, two, or even three sports that you feel right for you.  It’s best to exercise twice a week. Thirty minutes each time     enough (足够的).
You can exercise at fitness centres (健身中心). They have a lot of equipment (器材). The equipment can      exercise your arms, legs and other parts of your body     you healthy. Some people buy equipment for their homes, but it is very expensive.

A．both B．all C．every D．some

A．happy B．happier C．happily D．more happily

A．Parents B．Teachers C．Children D．Friends

A．better B．worse C．well D．badly

A．exercise B．exercising C．to exercise D．for exercising

A．why B．what C．where D．who

A．when B．after C．because D．until

A．are B．is C．do D．does

A．use B．spend C．bring D．help

A．to make B．made C．makes D．make