找出句子中错误的地方,并改正.( 填字母 、横线上填改后的句子)

找出句子中错误的地方,并改正.( 填字母 、横线上填改后的句子)
1、He can't playing chess.( )
a b c
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2、My biethday is in march 25 th.( )
a b c
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3、Does she has a computer?( )
a b c
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4、She are writing a report.( )
a b c
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