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题型：改错题 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
改为.
— Is it cold in winter?
—{#blank#}1{#/blank#}(做肯定回答)
There are three chicks and one hen in the picture.
The three yellow ducklings sit on Mother Duck's back.
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