连词成句练习2题（含答案），包含"The detective discovered crucial evidence hidden beneath the cabin's floorboards, ultimately solving the decades-old mysterious disappearance."、"The widow's philanthropic endeavors, which encompassed numerous charitable organizations, demonstrated her commitment to alleviating poverty in underserved communities."。通过打乱的英语单词重新排列组成正确句子，提高英语语法和句型理解能力。每隔一个单词预置，支持打印练习。