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
出自:统考 英语

完成拼图验证

按住下方滑块,将拼图拖到缺口处后松开。

拼图背景,将小拼图拖到缺口处
向右拖动滑块