It is the most instructive lecture that since I came to this school. [ ] A．atten
来源：网络
时间：
推荐文章
![It is the most instructive lecture that since I came to this school. [ ] A．atten](/pic/43_860169.jpg)
It is the most instructive lecture that ________ since I came to this school.
[]A．attended
B．had attended
C．am attending
D．have attended
试题答案
答案：D