outside反义词,近义词反义词

2017年五年级英语下册 lesson 10 would you like to go outside with
into的反义词是out of 从……里出来 he came out of the room.
鲁教版英语九年《unit 6 by the time i got outside
九年级英语:unit 6 by the time i got outside, the
inside的反义词是什么?