| 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 |
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