改错 I have not missed a play or a concert when I was seventeen years old.
来源:网络
时间:
推荐文章

改错
I have not missed a play or a concert when I was seventeen years old.
试题答案
答案:
解析:when→since |

改错
I have not missed a play or a concert when I was seventeen years old.
答案:
解析:when→since |