What did you like best?

- I loved the Planetarium! It was sweet! / Мне очень понравилось планетарий. Это было здорово!

- Really? What did you like best about it? / Правда? Что вам больше всего понравилось?

What's this word?

What will become of us?

What are we going to say?

What did I just say?

What did I just say?

That's what I've been saying.

What have they done to you?

What the hell have they done to you? (грубое)

What should we do now?

no matter what you do

No matter where you go, no matter what you do, I will always be around. / Что бы ты ни делал, куда бы ты ни пошел, я всегда буду рядом.