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Tennis issue

marmot32010-02-27 00:11:17 +0000 #1
yesterday to see the Australian Open tennis tournament on the way, looked at the rules: Serve at least two feet should be fixed, but Serena is today, jump serve, is not a requirement to change it?
dual must make a fortune2010-02-27 00:16:21 +0000 #2
can not step on the line bar



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