Open the door,please!It is（）.AI Bmy Cmine D me 为什么

it is hot outside and keep the door----(open)please Open the door,please. open the door please,-------- ---------? 这几句英语是什么意思,Helen,open the door for me please .OK,oh what is It is very cold outside.Do not open the door ,please. The door is open.Who ____(open)it?Sorry,I dont't know.为什么? Would you please open the door for me?(改为陈述句) 改错 Look!The door open.Please close it. Please keep the door _____(close).Don't open it. Please ___(open)the door look,the door is open,为什么open不加ing? Please keep the door open还是opening? 为什么?