I need to know the most natural and least wordy way in English to ask what time someone leave work for the day.
Could you please verify these sentences below and let me know if 1) They are actually used by native speakers and 2) if I can improve them in anyway?
And lastly, how do you usually ask this question yourself in everyday life?
A. What time does she usually leave?
B. What time does she usually leave work (home)?
A. What time does she usually get off?
B. What time does she usually get off work (home)?
A. What time does she usually work until?
B. What time until does she usually work?
C. Until what time does she usually work?
Is there a way to ask this via the verb stay?
Best Answer
In U.S. English, the simplest way would be to ask
A shade more formal would be
or
In the latter, the work context would be understood. Don't use it if there could be some confusion.
Here's one way to ask involving the word stay:
Be careful, though, because any of these might be construed by the listener as evidence that you may be nosy at least, and possibly a stalker. So unless you're checking up on this woman as a job applicant, the prudent course would be to ask her yourself.
addendum for OP
You asked where you should place the until in your constructions. Presumably you're wondering whether you should avoid putting it at the end of the sentence. The answer is: don't avoid that. While some pedants will wince at this, they really don't have a leg to stand on. See this accepted answer on ELU to the same question. (TL;DR: This is a rule made up hundreds of years ago by fussbudgets who determined, against all usage evidence to the contrary, that English should behave more like Latin.)
Therefore you should feel no qualms about asking
or
But since English is pretty flexible, you could also easily say
But for my money, that sounds a little more formal, even stilted.
Note that till and until are pretty much interchangeable here. See this related discussion on till and until on ELU.