1楼：匿名用户
答案是：how bright your living-room is !
~手工翻译，尊重劳动，欢迎提问，感谢采纳！~
2楼：匿名用户
what a bright living-room it is！或者how bright the living-room is！
3楼：匿名用户
what a bright living room it is ! how bright your living room is!
4楼：匿名用户
how bright your living-room is!(强调bright，明亮的)
5楼：匿名用户
how bright your living-room is！