平阳郑楼小学:帮帮忙啊!!!

来源:百度文库 编辑:杭州交通信息网 时间:2024/05/09 06:55:57
Is this the factory ----- you once carried out the scientific research together with the workers?
A. the one B. where C. which D. that
请解释一下,谢谢

选B. where = in which = in the one that
其它选项都不完全.