题干
She says that she’ll never forget the time ________ she’s spent working as a secretary in our company.
A：which
B：whe
C：how
D：where
答案(点此获取答案解析）
A
A：which
B：whe
C：how
D：where
和圆 
的交点为 
、 
，求弦 
的长．