Mr.Smithcouldn’topenthedoorbecausehisnaughtyboy 国语站 题库 2.99W 大中小设置文字大小 问题详情:Mr. Smith couldn’t open the door because his naughty boy _______ it from the insideA. would lock B. was locking C. has locked D. had locked【回答】D知识点:过去完成时及其被动式题型:选择题 TAG标签:MrSmithcouldn #