All the people in this company have been instructed _____ the survey they did yesterday.
问题描述:
All the people in this company have been instructed _____ the survey they did yesterday.
A,return B.return's C.to return D.to return's 拜托说说原因,为什么选那个,
答
选C
instruct sb to do sth.
变成被动语态是 sb.be instrrcted to do sth.
再变成完成时是 sb.have been instructed to do sth.