问题
选择题
— What color is it?
— It's _____ green. It's _____ green pencil. [ ]
A. a; a
B. /; a
C. a; an
D. an; a
答案
答案：B
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— What color is it?
— It's _____ green. It's _____ green pencil. [ ]
A. a; a
B. /; a
C. a; an
D. an; a
答案：B