| 写出下列单词的过去式。 |
| 1. are → 3. get → 5. row → 7. have → 9. eat → |
2. buy → 4. see → 6. sing → 8. take → 10. study → |
| 写出下列单词的过去式。 |
| 1. are → 3. get → 5. row → 7. have → 9. eat → |
2. buy → 4. see → 6. sing → 8. take → 10. study → |