The grey building is the place where the workers live, and the white building is the place where the spare parts （）.
The grey building is the place where the workers live, and the white building is the place where the spare parts （）.
A.are producing
B.are produced
C.produced
D.being produced
正确答案：B
Tag：大学英语
时间：2022-05-08 23:07:06