40.The boy has spent a whole day _____ in his room.No one knows what he is doing.A.locked B.t40.The boy has spent a whole day _____ in his room.No one knows what he is doing.A.locked B.to loc k C.locking D.been lockedspend time /money (in)doing sth.后面不是要出现sth的么?可这里是 in his room这状语啊,
问题描述：
40.The boy has spent a whole day _____ in his room.No one knows what he is doing.A.locked B.t
40.The boy has spent a whole day _____ in his room.No one knows what he is doing.
A.locked B.to loc k C.locking D.been locked
spend time /money (in)doing sth.后面不是要出现sth的么?可这里是 in his room这状语啊,
答
The boy has spent a whole day _____ in his room.No one knows what he is doing.A.locked B.to lock C.locking D.been locked选项是A因为男孩是【被锁】在屋子里,locked in his room过去分词短语做主语补足语....