写出下列动词的过去式吗? | |
1. teach ____ 3. study __ 5. walk 7. is ____ 9. go ___ |
2. see __ 4. read ____ 6. write __ 8. do _ 10. move ____ |
写出下列动词的过去式吗? | |
1. teach ____ 3. study __ 5. walk 7. is ____ 9. go ___ |
2. see __ 4. read ____ 6. write __ 8. do _ 10. move ____ |