问题
填空题
Later he had to throw 50 flashlight batteries away because ______ had been drained from them.
答案
参考答案：all the electricity
解析：[详细解答]此空需填写事件发生的原因。在原文第十五段可以找到答案。
搜题请搜索小程序“爱下问搜题”
Later he had to throw 50 flashlight batteries away because ______ had been drained from them.
参考答案：all the electricity
解析：[详细解答]此空需填写事件发生的原因。在原文第十五段可以找到答案。