问题
选择题
Let's look at the bag. Can you see "s" on the corner of bag?[ ]
A. a; a
B. an; an
C. an; the
D. the; an
答案
答案：C
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Let's look at the bag. Can you see "s" on the corner of bag?[ ]
A. a; a
B. an; an
C. an; the
D. the; an
答案：C