many older people try to work much and walk o 后填什么

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• many older people try to work much and walk o 后填什么
• many older people try to work much and walk o 后填什么
• 完型填空：At different times in a man's life his food has d__1__ effects (影响) on his body.Among children,food is quickly changed to the power to r__2__ and play games.Most of a young man's food is spent in growing t__3__; we grow upwards only during the furst twenty years of our lives,not later.Workingmen get their strong bodies f__4__ their food.Office workers beat well and s__5__ for a long time.Many older people try to work much and walk o__6__.That is
• 1,____ ,I would have phoned you ,a,if I knew it b,had I known it c,if I know it d,did I know it.2 ,it was because of bad weather_____ the football match had to be put off.a,so b,so that c why d,that 3,scarcely____ the room ___ the phone rang.a,I had entered ,when b,had I entered ,then c,had I entered ,when d,have I entered ,when ,选哪一个并说明理由,
• 已知△ABC中，满足B=60°，AB=3，AC=7，则BC=_．