问题
选择题
I can see_____ pen and_____ eraser on the desk. [ ]
A. a ; an
B. a ; a
C. an ; a
D. an ; an
答案
答案：A
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I can see_____ pen and_____ eraser on the desk. [ ]
A. a ; an
B. a ; a
C. an ; a
D. an ; an
答案：A