The subject comes after the verb in a question
He tenido sounds correct though i will write "he sentido" instead of "tenido"
It would be the first one. Adding the period would not make ‘El ultimo Dia’ a sentence, you would only be saying ‘the last day.’ The correct answer is ‘El ultimo dia, tuve emociones variadas.’
The correct answer is Ww.
It is the letter in the Spanish alphabet that is used only to pronounce words from another language. There are no Spanish words with this letter.