1.She has been a teacher since she was 23.(对划线部分提问) 划线部分为since she was 23 .
(连上面）___ ___ ___ she ___ a teacher?
2.I have been to the Great Wall twice.(对划线部分提问) 划线部分为twice.
___ ___ ___ ___ you ___ ___ the Great Wall.
不要告诉我题目出错或是横线多了什么的.