问题补充:
--How clean and tidy your bedroom is!
--Thanks. It every day.
A. cleans
B. cleaned
C. is cleaned
D. was cleaned
答案:
A. cleans
B. cleaned
(答案→)C. is cleaned
D. was cleaned
解析:试题分析:句意:你的卧室是多么的干净和整洁呀!谢谢,它每天都被清洁。首先必须用被动态,因为It代表房间,理应被清洁。其次应该用一般现在时,因为时间状语是every day,每天。符合要求的只有C,is cleaned。故选C。