问题
选择题
—Is this your sweater, Joy?
—No, it's not sweater. is yellow. [ ]
A. my; My
B. my; Mine
C. mine, Mine
D. mine; My
答案
答案：B
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—Is this your sweater, Joy?
—No, it's not sweater. is yellow. [ ]
A. my; My
B. my; Mine
C. mine, Mine
D. mine; My
答案：B
支托靠拢，在轴面角处转弯形成连接体