4. give ______________
7. teach ______________
5. fall ______________
8. is ______________
6. make ______________
9. know ______________
1. ate 2. bought 3. brought 4. gave 5. fell 6. made 7. taught 8. was 9. knew
写出下列单词的过去式. 1. eat 4. give 7. teach 2. bu相关攻略