52单词网 > 高中英语 > 高中英语题库 > 用expand和contract填空 When you heat a metal, it , while it as it gets cooler．

用expand和contract填空 When you heat a metal, it , while it as it gets cooler．

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用expand和contract填空 When you heat a metal, it , while it as it gets cooler．

用expand和contract填空

When you heat a metal, it ________, while it ________ as it gets cooler．

试题答案

答案：expands,contracts

标签：youheatwhenexpandcontract

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