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题型：补全对话 题类：常考题 难易度：普通
沪教版（三年级起点）英语四年级下册Module4 Unit12The ugly duckling同步练习
— Is it cold in winter?
—(做肯定回答)
{#blank#}1{#/blank#} 改为{#blank#}2{#/blank#}.
duck egg swan
There are three chicks and one hen in the picture.
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