题目内容
There are floors in the building and Mr. Wang lives on the floor.
A. twelve; twelve B. twelfth; twelfth
C. twelfth; twelve D. twelve; twelfth
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题目内容
There are floors in the building and Mr. Wang lives on the floor.
A. twelve; twelve B. twelfth; twelfth
C. twelfth; twelve D. twelve; twelfth