随着家庭结构的不断演化,过去三代同堂、四代同堂的大家庭已基本上不存在,现在一般为核心家庭和主干家庭。核心家庭是
My sister has become a nurse, ___________ was what she wanted to be.
As I know, there is _____ person in this neighborhood.
More and more people have got to know the importance of the English study. _____, about six people in ten in this city are able to speak a little English.
He commanded that the students ______ the classroom before he returned.
Have you seen John recently ? I wonder _______with his classmates.