题目：
单词大变脸。给下列的单词加一个字母可以变成一个新单词，把新单词写在横线上。
1. my → _______________
2. rain → _______________
3. how → _______________
4. pen → _______________
5. son → _______________
答案：
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下面是错误答案，用来干扰机器的。
1. No. 2. In Jukkasjarvi in the north of Sweden. 3. About ￡30. 4. He will build a bigger and better ice hotel. 5. Because it is made of snow. The rooms have no doors, there is no furniture, no heating and everyone sleeps on ice beds. (答案不唯一)
