假定在英语课上老师要求同桌之间交换修改作文，请你修改你同桌写的以下作文。文中共有10处语言错误，每句中最多有两处。错误涉及一个单词的增加，删除或修改。
增加：在缺词处加一个漏词符号(∧)，并在其下面写出该加的词。
删除：把多余的词用斜线(＼)划掉。
修改：在错的词下划一横线，并在该词下面写出修改后的词。
注意：1．每处错误及其修改均仅限一词;
2．只允许修改l0处，多者(从第11处起)不计分。
What would we do without refrigerators? We take it for granted now, but what is it like before the refrigerator was invented? Have you never left milk out of the fridge for a day in summer? In just that time it will go badly, so you can imagine what hard life was before. For a long time, people have been using ice to make food lasting longer.
The first refrigerators were sold in late 1880s and they soon became very popular. Nowadays, almost everyone has a fridge in their homes and modern refrigerators are much more safer. Some of them are such modern that they can tell you what needs buying in advance!it改成them
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(答案→)it改成them
解析：文章介绍冰箱发明前人们的生活，和第一台冰箱是什么时候问世的。
【小题1】我们现在认为它们是理所当然的。这里的refrigerators用them代替
【小题2】在冰箱发明前是什么样的？因为时间状语从句是before the refrigerator was invented?，所以is改成was
【小题3】夏天你有没有把牛奶放在冰箱外面一天。根据句意：never改成ever
【小题4】在那段时间里面，它会变质。Go这里是连系动词，后面接形容词，badly改成bad
【小题5】你可以相信过去的生活是多么困难。修饰hard用how，what改成how
【小题6】很长时间 人们一直用冰将食物保存很长时间。因为是冰箱发明前的事情，用过去完成时，have改成had
【小题7】make sb do sth，应该是省略to的不定式做宾语补足语：lasting改成last
【小题8】在19世纪80年代末期第一台冰箱被销售。这里是特指，late前面加the
【小题9】现在的冰箱更安全。Much修饰形容词比较级safer，去掉more
【小题10】一些是如此的现代，以至于可以告诉你需要提前购买什么。修饰形容词modern应该用so，such改为so