题目内容
句型转换。
He writes to his father twice a month．(就划线部分提问)
________ does he write to his father?
答案：
解析：
解析：
|
How often |
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题目内容
句型转换。
He writes to his father twice a month．(就划线部分提问)
________ does he write to his father?
|
How often |