问题
选择题
Harry Potter and the Deathly Hallows, _____ book of the series (系列), will be for sale on July 21, 2007. [ ]
A. seventh
B. the seventh
C. seven
答案
答案：B
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Harry Potter and the Deathly Hallows, _____ book of the series (系列), will be for sale on July 21, 2007. [ ]
A. seventh
B. the seventh
C. seven
答案：B