we think it's impolite to go into room without knccking at the door,don't we?改错!

问题描述:

we think it's impolite to go into room without knccking at the door,don't we?
改错!

knccking-拼错了knocking
go into room怪怪的,是不是可以改成enter the house
直接knocking the door就可以了吧

去掉at knock the door

反义疑问用isn't it不是don't we

knccking——knocking