问题
选择题
— What a clean and bright classroom, isn't it?
— Yes, it's always clean and bright because it every day. [ ]
A. cleans
B. cleaned
C. is cleaned
D. was cleaned
答案
答案：C
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— What a clean and bright classroom, isn't it?
— Yes, it's always clean and bright because it every day. [ ]
A. cleans
B. cleaned
C. is cleaned
D. was cleaned
答案：C