This is his only request that the room after being used.
A. be cleaned
B. would be cleaned
C. is cleaned
D. will be cleaned
网友回答
(答案→)A. be cleaned
B. would be cleaned
C. is cleaned
D. will be cleaned
解析：考查虚拟语气。本题是一个同位语从句，前面的名称是request，后面的同位语从句中使用虚拟语气should+动词原形，should可以省略。句意：使用以后这个房间要被打扫干净，这是他唯一的请求。故A正确。