—Where is Sue, do you know?      
—She ______ the classroom with her classmates. 

A. cleans
B. was cleaning
C. is cleaning
D. cleaned
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科目：初中英語 來源：北京市期末題 題型：單選題

— Where is Sue, do you know?      
— She ______ the classroom with her classmates. 
[     ]
A. cleans
B. was cleaning
C. is cleaning
D. cleaned

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