I have a sister.She works in Beijing.I have a sister who works in Beijing,这里的who是指代a sister 那为什么改为简单句的时候就要变成she了呢 这样有矛盾吗?

I have a sister she is eight=I have_________sister I have a sister who works in Beijing.= I have a sister.She works in Beijing.这里的she可不可以用the sister代替啊? i donts have a sister还是i dont have sister i have a sister that she is leixiang.这句话对吗?怎么改我不太会 I have a sister ,too,but she is in the photo.这里用is i wish i ( ) a sister (have) ? I have a sister 改写I have a sister 中对 a sister 进行提问 I have a sister.She works in Beijing.I have a sister who works in Beijing,这里的定语从句中who指代的是什么 是a sister还是she I have a sister.She works in Beijing.I have a sister who works in Beijing,这里的who是指代a sister 那为什么改为简单句的时候就要变成she了呢 这样有矛盾吗? My sister I have a sister Marry.She is 16 years old now.She is a beauty whose height is 163 cm.My 为什么Dose she have a sister用have,而不是has I have a sister的同义句 I have a sister who plays piano. 英语翻译My name is Sue.I'm ten.I'm from canada.I like Chinese foodvery much.I have a sister.She's thirteen.She likes music. I have a sister who works in Beijing.这句的who指代的是a sister吗 改为简单句是不是I have a sister,She works in Beijing. I have a sister.She works in Beijing.I have a sister who works in Beijing,这里的who是指代a sister 那为什么改为简单句的时候就要变成she了呢 这样有矛盾吗?那么who究竟指代的是she还是a sister啊 A:Lily has a tennis ball.Do you have one?B:No,I don't.I don't have a tennis ball.But my sister Susan has one.Does your sister have a soccer ball?A:No,she doesn't.But I have one.B:Oh,you have a soccer ball and your sister _____(do not) have a tennis b She has many books ,but I have ( ) books than my sister A、more B、many C、much D、good