问题描述: A let B do sth变为被动语态,是B be let do sth还是B be let to do sth 1个回答 分类:英语 2014-11-14 问题解答: 我来补答 应该是:B be let to do sth 被动语态时,使役动词加to如 I let him come in - - He was let to come in by me. 展开全文阅读