-Who the classroom? -Perhaps they did.A. clean B. cleans C. cleaned D. is clean——青夏教育精英家教网——

题目内容

—Who _______ the classroom?
—Perhaps they did.

A. clean
B. cleans
C. cleaned
D. is cleaning

试题答案

C

相关题目

—Who _______ the classroom?
—Perhaps they did.

A. clean
B. cleans
C. cleaned
D. is cleaning

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