the girl who is in a green is my sister.who做引导词在重句中作主语（也可以作宾语）
what 不能作定语重句的引导词 能作宾语和主语重句的引导词比如 i don't know what can make you happy
the girl whom my teacher talks to is my sister.whom 作宾语 这里...
which that what where 引导的从句的用法 什么叫分限制性定语从句
the girl who is in a green is my sister.who做引导词在重句中作主语（也可以作宾语）
what 不能作定语重句的引导词 能作宾语和主语重句的引导词比如 i don't know what can make you happy
the girl whom my teacher talks to is my sister.whom 作宾语 这里...