The boy（ standing/stood ）in the office was found （smoke/smoking ）yesterday 分别填什么

the boy is standing behindthe door Do you know the name of the boy standing at the gate?为什么用standing The boy is standing behind the girl改为同义句 组成句子：found a they standing boy the door at . The boy standing there is my friend的同义句 The boy is my brother.The boy is standing at the door.合并:The boy who is standing at the door isThe boy is my brother.The boy is standing at the door.合并:The boy who is standing at the door is my brother.省略：The boy standing at the door is There is a boy ( )at the door.A.stand B.standing C.stood D.is standing The boy standing there is a classmate of mine.boy后面为什么不加is? The mother made the boy standing in the rain.为什么用ing the name of the boy standing at the gate算不算介词短语做后置定语? ( )is the boy who is standing there?My b( )is the boy who is standing there?My brother.请问这个空格填什么? The boy is standing on the man`s shoulders.（改为一般疑问句） The boy is standing in the garden which in front of a tree的原序 The boy is standing on the man's shoulders.改为一般疑问句,并否定回答 The boy __(stand) near the big tree looks like Daniel为什么是standing 呢 The boy who is standing at the door is my brother.who is 可以省略吗 1：The policeman asked the boy ( ) why he was standing in front of a broken widow the boy was standing a__the window when the bell rang.补全单词