问题描述：
英语的改写句子题
Mary's handwriting is the best in her class.(保持原意）
—— —— handwriting is better than Mary's in her class.
We often hear her sing English songs after supper.(改为被动语态）
She is often —— —— sing English songs after supper.
Mary's handwriting is the best in her class.(保持原意）
—— —— handwriting is better than Mary's in her class.
We often hear her sing English songs after supper.(改为被动语态）
She is often —— —— sing English songs after supper.
问题解答：
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