Viết lại câu : 1. The summer isn't hot . Last summer it was hot . 2. She is active now . She didn't use to be active . 3. Jim is clever . We think he is clever . 4. This boy doesn't help me much . He can help me much . 5. Miss Duyen's housse is the oldest house on this street . 6. the exercises are not difficult . I thought it was very difficult . 7. The students write less papers than they did last year . 8. The paper mill puts out more products than it did two years old . 9. Miss Ha is the best student in her English class . 10. This boy doesn't spend much money . He spent much money last month . 11. She doesn't get up late . She used to get up very late during her holidays . -------Giúp mình nha . Mình đang cần gấp --------

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