短文改错。
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(∧)，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10处，多者(从第11处起)不计分。
Last evening, I went to a teahouse with my best friends Susan. Before the tea was serving, we talked
to each other happily. When the waiter came to us with the tea, we didn't see him. Unfortunately Susan
raises her hand to comb her hair just when the waiter bent to put the plate on the table. Her hand hit on
the cup, and the tea was spattered(溅洒) on her trousers. In my surprise, instead complaining, Susan
smiled, "So lucky that it's not on my white shirt, and I can't even clean it."His words were very inspired.
We couldn't foresee what would happen, but looking at it in a positive way could make we always happy.
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2Al
+ 3H2↑
Mn2++ Cl2↑+ 2H2O
+ClO
+ H2O