问题描述：
读一读,根据提示,把句子补充完整.1.Who can sing a birthday s( 2.Let’ eat the birthday c( ).
3.Please blow out the birthday c( ).
4.I write "Happy birthday!"on the birthday c( ).
5.Here is a birthday p( ) for you.
3.Please blow out the birthday c( ).
4.I write "Happy birthday!"on the birthday c( ).
5.Here is a birthday p( ) for you.
问题解答：
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