问题描述：
英译汉的问题: 将下列句子或短语翻译
1.I can't believe summer vacation is over.
2.How often did he do that?
3.What did he think of it?
4.think of
1.I can't believe summer vacation is over.
2.How often did he do that?
3.What did he think of it?
4.think of
问题解答：
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