My sister is a good (run)这道题用动词什么形式?

my sister is good . maths My sister is a good (run)这道题用动词什么形式? My sister is a my sister is a My sister is a My sister is good at___(skip). my son is having a good time with his sister改为同义句my son is______ ______with his sister ——My brother is good at playing the guitar.——___________.A So is my sister B So does my sister C So my sister is D So my sister does A sister of ( ) is a very good teacher.A,A sister of ( ) is a very good teacher. A, I B,me C,my D,mine My sister,can you hear?This is a good boy for you. My sister Ann is a good girl 怎样分主谓宾吖 My sister is good at singing and dancing.同义句转换是My sister does well in singing and dancing 还是My sister is a good singer and dancer My good younger sister My sister's English ___________very good A aMy sister's English ___________very good A are B is C am D be This is my twin sister.Both she and I ( )goThis is my twin sister.Both she and I ( )good at drawing.A.isB.amC.areD.be My sister is good at spoken English.同义句 my sister is good at kids .改句子的错误 My sister is good at painting.(改为同义句)My sister _ _ in painting.