【题目】写出下列动词的过去式。
1. do ___________
2. learn ___________
3. go ___________
4. like ___________
5. teach ___________
6. read ___________
7. study ___________
8. is ___________
9. are ___________
10. have ___________
【答案】1. did 2. learnt/learned 3. went 4. liked 5. taught 6. read 7. studied 8. was 9. were 10. had
【解析】
略
