The young girl sitting next to me on the plane was very nervous. She __________ before. hasn't flown didn't fly hadn't flown wasn't flying
问题描述：
The young girl sitting next to me on the plane was very nervous. She __________ before.
hasn't flown
didn't fly
hadn't flown
wasn't flying
答
agree with 水晶康乃馨
答
hasn't flown
答
hadn't flown ,
表达的是“过去的过去”,在was nervous之前,没坐过飞机