【题目】写出下列动词的过去式。
1. learn __________
2. teach__________
3. write__________
4. is__________
5. dance__________
【答案】learnt taught wrote was danced
【解析】
略
【题目】写出下列动词的过去式。
1. learn __________
2. teach__________
3. write__________
4. is__________
5. dance__________
【答案】learnt taught wrote was danced
【解析】
略