The door is open.Who has opened(open)it?Sorry,I don't know.为

The door is open.Who has opened(open)it?Sorry,I don't know.为 The door is open.Who ____(open)it?Sorry,I dont't know.为什么? Sorry,I can't open the door,for I ( ) the key to it. sorry,I can't open the door,for I__the key to it,为什么答案是lost, Please keep the door _____(close).Don't open it. P_____the door open Don't push it I don't mind _________(open)the door Don't open the door,because it's too____(cold) outside.填什么,为 Don't open the door to strangers. Why don't you open the door? Don't open the door ,____you? Don't open the door ,____he