问题
选择题
I don't have _______ ruler. He has _______.[ ]
A. a; a
B. one; one
C. a; one
D. one; a
答案
答案：C
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I don't have _______ ruler. He has _______.[ ]
A. a; a
B. one; one
C. a; one
D. one; a
答案：C