Please_____on the door before you come in.
Please_____on the door before you come in.
英语翻译please [ ] [ ] the door before you come in.
We make it a rule to knock at the door before you come in.I
Tom,____(knock)on the door before you come in next time
Don't come in before knocking at the door.
Please ____(knock)at the door when you come in.
翻译:进来前请敲门.Please______ _____the door before you come in.
come in,shut the door
You___ before you come in.
几道简单的英语改句子please knock at the door before you come into the
Come in .The door is .(open)
you must ____(knock)on the door before you enter