who is hiding behind chair?is it rag doll rosie?

who is hiding behind chair?is it rag doll rosie? 英语介词问题Lucy is hiding ( ) an old house答案不光是behind吧 Snapper is hiding( )the door空白处填什么是behind还是in? The behind of strong is usually go into hiding a tired heart WHO IS ( )GIRL BEHIND ( )TREE?填冠词 ask your classmate who is behind you. Who is behind Mr Brown?是什么意思? what are you hiding behind thatmysterious smile this is real ,this is me,no more hiding who I am want to who is behind the giraff 翻译成中文 [the lady who is standing behind the counter.]怎么理解这个句子?特别是who 为什么The lady who is standing behind the counter.不能改成The lady which is standing behind the cou 英语短句语法问题看到一句话：Sadness hiding behind happiness.这里hiding 是什么语法,这句话是不是有语法错误啊? 有句：“who served you the man standing behind the counter.”我想,如果用关系代词是用who,但是应该是“who served you the man who is standing behind the counter.”为什么省略了who与is? There is no hiding from lover's 单选do you know the man___ is sitting behind Nancy?who whom 用介词in on at behind 填空 Who is _______duty today? 选择题:Who is that behind( )?-----It's ( ).A.she,he B.her,his C.him,her