My little sister is singer.这句话正确吗?is前面为什么不加a

my sister is a little more outgoing than me为什么用a little 这句话怎 my sister is a little more outgoing than me为什么用more 这句话怎么翻译 My sister is a () singer.She sings() My ____(old) sister is a singer 适当形式填空 句型转换：My sister is a famous singer.（对a famous singer提问）What__ My little sister is a _______ of the dark. my littie sister is a little h___ because she li My job is a doctor.这句话正确吗? 这句话“Xiao ya xuan is my favorite a female singer”说的是什么意思? These is my sister.这句话对吗? my sister is a The girl ( )glasses is my little sister.