Quiz - Lesson 49: Operation Spy!
See how well you understand the lesson by taking this listening quiz. Play each video and then choose the best answer.
![](https://gdb.voanews.com/a706aa49-d7bf-4564-95d8-e17244868b82_w250_r1_s.jpg)
See how well you understand the lesson by taking this listening quiz. Play each video and then choose the best answer.