the back door of our classroom is hardA.to be opened B.to open C.being open D.to open it

he stood at back of the door.哪里错了, the back door of our classroom is hardA.to be opened B.to open C.being open D.to open it stand back from the door The door handle came off the back door.翻译back door 英文翻译：他们家的后门正开着.the back door of their house----- ------ They're____knocking at the back door(尝试) the door of the room. Could you please get the key off the back of the door for me这里的 off the back 指的是什么 The White stones一段英文,麻烦翻译一下,谢谢!You go to the old house.There is some writing on the door of the hose.It says,‘Go back to London,Ellison!We don't want you on our island.'The next day you drive to Clayonag in the north of the This is a key ____ the front door.Why you try it at the back door?A.to B.in C.of D.with _____he was out of the room,he turned back and konked at the teacher's door again. 1. The teacher is standing ( )front of our school leader. 2. The cat is ( ) the door. I can`t see step out of the door back-of-the-envelope on the back of Back of the We kept the door of our classroom_____all the afternoon.A.close B.closing.C.opened D.open 21.He was ___ by the sound of the back door opening in the dead of night.空格里应该填什么?