问题
选择题
_______English books. They are _______ books. [ ]
A. Their; they
B. They're; they
C. They; their
D. They are ; their
答案
答案：D
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_______English books. They are _______ books. [ ]
A. Their; they
B. They're; they
C. They; their
D. They are ; their
答案：D