题目内容
It's a rule in our school that the classroom _____ every day.
[ ]
A. should clean
B. should be cleaned
C. should cleaned
D. should be cleaning
B. should be cleaned
C. should cleaned
D. should be cleaning
B
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相关题目
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 |