5．A．cleaning B．clean C．cleans D．cleanning 【查看更多】

 

題目列表(包括答案和解析)

—What a clean (干凈的) room it is today!
—Oh, yes! Who _____ it?
[     ]
A. is cleaning        
B. will clean            
C. has cleaned      
D. had cleaned  

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—What a nice classroom!

         —It _____ every day.

A.is cleaning      B.has cleaned   C.must clean     D.is cleaned

 

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Our classroom   _______   by us every day!

A.is cleaning  B.has cleaned C.must clean D.is cleaned

 

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It’s hard to keep the house       with three kids.

      A. cleaning     B. to clean     C. cleaned     D. clean

 

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Our classroom          by us every day!

A. is cleaning  B. has cleaned C. must clean D. is cleaned

 

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