题目内容
句型转换.根据括号内的要求改写句子.
They went to the cinema once a month.
(以划线部分提问)________ _________ did they go to the cinema?
答案:How;often

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题目内容
句型转换.根据括号内的要求改写句子.
They went to the cinema once a month.
(以划线部分提问)________ _________ did they go to the cinema?