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It's a rule in my class that our classroom ________ before 6:00 p. m.every day.
[     ]
A. be able to clean                 
B. should be cleaning  
C. must clean                     
D. must be cleaned
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It’s a rule in my class that our classroom ______ before 6:00 p.m. every day.

A.be able to clean                        B.should be cleaning

C.must clean                            D.must be cleaned

 

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科目:初中英语 来源: 题型:单选题

It’s a rule in my class that our classroom ______ before 6:00 p.m. every day.


  1. A.
    be able to clean
  2. B.
    should be cleaning
  3. C.
    must clean
  4. D.
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