题目内容
( ) 7. Tom lives on floor of the building.
A. twelve B. twelfth C. the twelfth D,the twelve
7. C住在第几层楼上应用序数词并加定冠词。
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题目内容
( ) 7. Tom lives on floor of the building.
A. twelve B. twelfth C. the twelfth D,the twelve
7. C住在第几层楼上应用序数词并加定冠词。