I’m a little confused what exactly is your question?
Yes, because that’s your friend and you should always try your best to be truthful and your friend did ask for your opinion. You should tell your friend how you feel, but let her know that you don’t know their bf/gf that well so your observations could be totally wrong.
Answer:She is going to Spain because she wants to learn Spanish.
Explanation:
The other ones do not make sense except this one.
Last one I think I’m am not sure