题目内容
() 12. The classroom is so dirty. Can you help
?
A. to clean up it B. clean up it
C. clean it up D. cleaning it up
12. C
12. C
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题目内容
() 12. The classroom is so dirty. Can you help
?
A. to clean up it B. clean up it
C. clean it up D. cleaning it up
12. C