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.
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![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.](/uploads/image/z/11762081-17-1.jpg?t=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+%2Fmoney+%28in%29doing+sth.)
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.
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,
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.
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.