Why do you like it best?

为什么你最喜欢它？

Which one is your favourite? Why do you like it?

哪一个快餐店是你最喜欢的？你为什么喜欢？

Please describe one of your hobbies. Why do you like it?

描述你最喜欢的爱好，为什么喜欢。

What is your favorite book or movie and why do you like it?

你看最爱看哪一本书或是哪一出电影？为什么？

You can write, why do you like it, why is it interesting, and more.

你可以写，为什么你希望，为什么这儿有兴趣，又多。