问题
选择题
This is ____________ pear and that's ____________ orange. [ ]
A. a, an
B. a, a
C. an, a
D. an, an
答案
答案：A
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This is ____________ pear and that's ____________ orange. [ ]
A. a, an
B. a, a
C. an, a
D. an, an
答案：A