题目内容
【题目】The parents were thankful to see that their children came back home _________. (safe)
【答案】safely
【解析】
句意：看到孩子们安全回家了，父母们很感激。
副词修饰动词came back，safe的副词形式是safely，故答案为safely。
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题目内容
【题目】The parents were thankful to see that their children came back home _________. (safe)
【答案】safely
【解析】
句意：看到孩子们安全回家了，父母们很感激。
副词修饰动词came back，safe的副词形式是safely，故答案为safely。