LeiFei's sister plays tennis very good哪里错了?

LeiFei's sister plays tennis very good哪里错了? can you sister play volleyball 为什么play不加s tom's sister can sing and ( )(play)the guitar Tony's sister likes to play ____ her dog. My sister and I like play tennisplay加s吗? Tom and his sister play volleyball.这里的play要加s sister's My+sister+often+play+the+piano+after+supper.为何这里的play不加s大神们帮帮忙 who plays father 和who play brother and sister 中的play为什么一个加s一个没有. who plays father 和who play brother and sister 中的play为什么一个加s一个没有. Where is your sister She's there,she___ (play) the guitar.填空并作语法说明 How about you?What a great party!She's my mother's sister.Let's play badminton.中文意思 My sister has some computer games.let's play t________ 根据句意及首字母提示完成单词 where is your sister's sister's sister?的意思 S __is my sister down your sister's your sister's husband my sister's name