What should we do to keep healthy? One important rule is to exercise__31__. The Fang family try to exercise every day. Mr Fang__32__exercise in the morning because he must get to work at exactly seven o'clock. But he runs every evening. He walks a lot, __33__. He walks to school every day, and after school he__34__different sports with his friends. Mr Fang goes to a yoga （瑜加功） class__35__.
But it wasn't__36__this way. Last year Mr and Mrs Fang used to(过去常常)__37__everywhere in their car, even to the drugstore（药店） two blocks（街区）away. They thought they had to use the car all the time. They wouldn't walk.
The Fangs all__38__better（更好的） now. They believe they shouldn't be lazy. We__39__exercise every day, but we should try our__40__to exercise as often as possible.

A．often B．sometimes C．late D．later

A．may not B．can not C．would not D．should not

A．either B．also C．too D．again

A．watches B．plays C．loves D．likes

A．in two weeks B．for two weeks C．after two weeks D．twice a week

A．always B．even C．sometimes D．no

A．riding B．drive C．fly D．walk

A．had B．make C．feel D．feel like

A．needn't B．don't C．won't have D．mustn't

A．best B．good C．well D．better