This is my house. It's ____________ green.[ ]
A. a
B. an
C. the
D. /
答案:D
I used to ___________ in the country. But now I am used to ___________ in the city.
A.live; live
B.living; living
C.live; living
D.living; live
()提出了中层理论?
A、迪尔凯姆
B、默顿
C、韦伯
D、达伦多夫