距离我们上个暑假在北京见面已经过去很久了，我非常想要了解你在学校的生活和学习情况。
It's been a long time since we met in Beijing last summer holiday, and I am eager to hear about your life and study at school.
加上已经激活的词汇，在你开始学习语法细节之前，就可以帮助你的大脑用一种轻松的方法了解过去时。
As with activating vocabulary, you'll help your brain bring up what it knows about the past simple in an easy way before you begin to focus on studying English grammar in detail.
学习历史是为了了解过去、借鉴经验，可千万不能泥古不化啊！
We learn history to know the past and use it for reference, but we should never learn it without understanding.
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