Question

句子翻譯(現在完成時&過去完成時)。

1. 自從他離開這兒，我從未聽說過他。
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2. 我很長時間沒有收到他的來信。
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3. 我完成作業了，所以我現在可以去打籃球了。
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4. 這是他第一次來上海參觀。
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5. 他們告訴我她已經買了很多書。
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6. 到去年底，他已經學會唱20首歌了。
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7. 我到達火車站時，火車已經開走了。
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8. 媽媽回來時，我已完成了作業。
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Answer 1

1. I haven't heard of him since he left here.
2. I haven't heard from him for a long time.
3. I have finished my homework, so I will play basketball now.
4. This is the first time that he has visited Shanghai.
5. They told me that she had bought many books.
6. By the end of last year, he had learned to sing 20 songs.
7. When I arrived at the station, the train had left.
8. When mum came back, I had finished my homework.
答案不唯一