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