填空题Why should you follow the directions carefully when using the machine?To use the washing machine ____.
填空题
Why should you follow the directions carefully when using the machine?To use the washing machine ____.
参考解析
解析：
从文章第一段第一句“To effectively use this washing machine, you must complete four steps carefully”可知，此处应填effectively。
从文章第一段第一句“To effectively use this washing machine, you must complete four steps carefully”可知，此处应填effectively。
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