she is very good at math 这个at可不可以换成别的介词请详细说明理由

She is not very good at _gardens Zhao Hua is good at-------,so she ------ very quickly.(run) She is very good at drawing.改为同义句 she speaks english very well,and she is very good at computer的中文, she is also very good at s------she is very good at s .she is in Baseball Club and she -------- practises play it on Tuesday. This is Amy .She is not very tall .She has short hair .She is good at swimming .She is funny . she is------ at playing,she can sing very ----1 good,well 2 well,good 3 good good 4 well well Luo Xuejuan is a very good s______and she is good at swimming. Nancy is a good at all subjects.I think she has very good learing s_________ Julia is very good at languages.She (speak) four languages very well.如题 讲为什么 填空：She is good at painting .She likes a ____ very muth. T____ she is very young,she's good at playing the piano she is very good at math 这个at可不可以换成别的介词请详细说明理由 she is good at 【 】【swim】 young as she is,mary is very good at()difficule customers 括号里填什么 she is good at------.she is a good------(skate) Jenny is very good at spoken English.She speaks p____ Engllish. She is very good at math,physics and chemistry 改为同义句