Signs on the door tell you ___ to go in or out.填whith为什么不行?填where_英语解答

Signs on the door tell you ___ to go in or out.填whith为什么不行?填where
拼错了，是which

人气：463 ℃　时间：2020-01-28 18:02:54

解答

where
门上的标志告诉你:(从哪里)进去或出去.
如果用which,要说成:which way/door to go in or out