1．My brother is watching TV at home.（改为一般疑问句）．
                 brother____TV at home?
2．The girls are playing over there.（对画线部分提问）
        are the girls____over there?
3.The children are flying kites on the hill.（改为否定句）
  The children____    kites on the hill.
4．Lucy reads in the park.（改为现在进行时）
  Lucy____ ____in the park.
5. boys, the, on, are, some, football, playground, playing（连词成句）
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