1. (2021高一下·桂林开学考) 假定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。每处错误仅涉及一个单词的增加、删除或修改。

增加：在缺词处加一个漏字符号(∧)，在其下面写出该加的词。

删除：把多余的词用斜线(＼)划掉。

修改：在错的词下面划一横线，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一词；

2．只允许修改10处，多者（从第11处起）不计分。

I've watched funny video online recently. The story happened during World War II when Germany and Britain was at war. To cheat the Royal Air Force, German soldiers created a false airport. Both the things in the airport were made of wood, such as plane and buildings. Although it was not a really airbase, but it cost a lot of money and effort.

One day, a British plane fly over it, circled it third times and left. Late, a second plane arrived, and people on the ground saw a big wood bomb dropping! With one wood bomb, the British soldiers played a big joke at their enemy.