Our classroom is very clean. Do you know who＿＿cleaned it﹖ A. was it that B. it w
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Our classroom is very clean. Do you know who＿＿cleaned it﹖
A. was it that B. it was that C. was it who D. he was
试题答案
B
Our classroom is very clean. Do you know who＿＿cleaned it﹖
A. was it that B. it was that C. was it who D. he was
B