My sister is good_____chinese A.at B.in C.on

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Mysisterisgood_____chineseA.atB.inC.onMysisterisgood_____chineseA.atB.inC.onMysisterisgood_____chine

My sister is good_____chinese A.at B.in C.on
My sister is good_____chinese A.at B.in C.on

My sister is good_____chinese A.at B.in C.on
A
be good at 固定用法‘擅长于……

be good at

A
be good at sth固定用法，指擅长某事

A.at

A
有不明白的地方再问哟，祝你学习进步，更上一层楼！ (*^__^*)

at
be good at 是“擅长于”的意思

she is my sister. My sister is a my sister is a My sister is a my sister is my sister is my sister is zhangjing is my sister. My parents'?is my sister? Lily is my sister.I have()sister there is a good___(film)on. 作文My sister is room my sister is good . maths （this）is my sister She is my sister.对my sister提问 the girl is my sister对my sister提问 my sister is ill 同义句如题要成为- - - -with my sister She is not my sister.改为肯定句【】【】 my sister.