在传统的中国社会里,()是社会生活的基本单位。
参考答案:家庭
It's no use with your younger sister because she is a child. [ ]
A. talking
B. quarrelling
C. playing
D. helping
_____ his father came back from work_____ his homework.
A.Not until; he did
B.It wasn't until; when he did
C.It was until; that he didn't do
D.It wasn't until; that he did