1. (Throughout) the 1930's, United States government (patronage the) arts (was concentrated) in the section of the Works Progress Administration (known as) Federal one.
选B patronage改成动词吗? 那the arts was concentrated 为什么不是the arts which was concentrated
2. Greenplace, (an international) organization of environmental activists founded by Canadians, uses nonviolent (means) to protest and block activities (it) considers environmentally (harm).