问题补充:
This is his only request that the room after being used.
A. is cleaned
B. will be cleaned
C. would be cleaned
D. be cleaned
答案:
A. is cleaned
B. will be cleaned
C. would be cleaned
(答案→)D. be cleaned
解析:考察动词的虚拟语气 句意为:他唯一的要求就是房间在使用之后务必打扫干净。
Request做要求讲,后跟从句,从句谓语需要虚拟语气的形式。
考点:考察动词的虚拟语气