你最喜欢的电影是什么？

___What is your favorite movie?

这就是我想要的东西。

This is ___what I wanted.

谁负责把这个项目完成？

___Who is responsible for completing this project?

昨天帮助我的那个人现在不在这里。

The person ___who helped me yesterday is not here now.

哇，这是多么精彩的表演啊！

___What an amazing performance!