French language Q&A Forum

Why we use "va" instead of "vas"? I thought it was "vas" since they communicate with "Tu".

For the question "Je suis resté cinq jours à Mykonos, mais ________ à Paris", I was marked incorrect for answering "je ne suis que resté trois jours". The accepted answer was "je ne suis resté que trois jours". How does placing "que" before or after "resté" change the emphasis or meaning of this statement? "But I stayed only three days in Paris" vs "But I only stayed three days in Paris". I cannot see the distinction that makes one form wrong and the other right. 

Above is the referenced quiz question, to which I answered 'you cannot say'. However, the results indicate correct answer is 'a woman'. This is incorrect. Since "ami" start with a voul, you must use "son" whether the subject is masculine or feminine, therefor, you cannot tell is Sylvie's friend is a man or a woman.

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is quoi qui se passe instead of quoi qu'il arrive acceptable?

How to identify passe compose