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Chủ đề / Chương
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Chữa lỗi sai
1. I saw a stranger which was walking along the street in front of my house at midnight.
2. Nam is one of my friends whom tried hard to succeed in his school age.
3. In 1989 I left university and started work.
4. If you feel unwell, you should not stay in bed instead of going to work.
5. The twentieth century was a time which there were a lot of important events.