九年级短文填空专项训练答案
                           (1)
    Sometimes people don    ’ t know how important it is to have a good lifestyle. Mike and Bill are
good friends. They 1._________ to the same school. They both like studying. However         ， Mike
gets 2._________ grades than Bill because Bill often gets sick. When Bill gets sick ， he has to see
the 3._________ and stays in bed. 4._________ is Bill often ill? With the help of Mike      ， he knows
that it ’because
     s   he has many bad habits. In ...