1.I saw an old friend three weeks ago.(变一般疑问句并做肯定回答)
Did you ____ ___ see ___an old friend three weeks ago? Yes , ___ ____ I did ___. 2.We walked to town yesterday morning.(对划线部分提问)
When___ ____ did you ___ ____ walk to town? 3.He bought some fruit yesterday. (同上) What did he ____ do yesterday? ____ ___