问题
选择题
| — Can you write to me if you are free? — No problem. But is your e-mail address? |
A. where B. which C. what D. how |
答案
答案：C
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| — Can you write to me if you are free? — No problem. But is your e-mail address? |
A. where B. which C. what D. how |
答案：C