问题
选择题
| My uncle is accountant. He works in air-conditioner company. |
[ ] |
| A. a; a B. an; a C. an; an D. a; an |
答案
答案：C
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| My uncle is accountant. He works in air-conditioner company. |
[ ] |
| A. a; a B. an; a C. an; an D. a; an |
答案：C