And she usually( )swimming( )me.She is good ( )swimming.

And she usually( )swimming( )me.She is good ( )swimming. she is good ( ) swimming. she is good at swimming.为什么是swimming? She is good at swimming同义句 she is good at swimming.(同义句) she is (good)than alice at swimming She usually ( )(swimming/swim)near ocean park Is she good at swimming?(同义句） Maybe she is good at swimming 改为同义句 She is good at swimming.的同义句怎么该? She is good( at )swimming,介词为什么用at? She is good at swimming.（同义句）She is a _____ _____.