Question

What time____ tomorrow? B: At 8 o'clock. you leavedo you leavingare you leaving кто знает?​

Answer 1

What time you leave tomorrow?

Answer 2

It seems like you have two separate questions here:

1. "What time ____ tomorrow? B: At 8 o'clock." In this sentence, you can fill in the blank with "are you leaving" to form a complete question. So it would be: "What time are you leaving tomorrow?"

2. "кто знает?" This is a Russian phrase that translates to "who knows?" in English.

If you have any more questions or need further clarification, please feel free to ask.