问题
填空题
| 写出下列动词过去式的原形。 |
| 1．went 3．did 5．was 7．cleaned 9．watched | 2．read 4．washed 6．played 8．visited 10．listened |
答案
1. go 2. read 3. do 4. wash 5. is 6. play 7. clean 8. visit 9. watch 10. listen