Decide if the following are grammatically incorrect or correct. (i am unable to put down accent letters, i just need to know if they are phrased correctly with the right conjuration)

vivi en este apartamento hace dos anos
correct
incorrect

hubieron tantos problemas el ano pasado.
correct
incorrect

mientras escuchaba musica, de repente escuchaba un grito.
correct
incorrect

Viví en este apartamento hace dos años is incorrect.
Hubieron tantos problemas el año pasado is correct.
Mientras escuchaba música, de repente escuchaba un grito is correct.

For this question, it will be important to use the words "mejor" (better), "lo mejor" (the best), and "lo peor" (the worst). while "mejor" is comparative (you are comparing one thing to something else), "lo mejor" and "lo peor" are superlative (there is nothing else better or worse than what these words are describing - there is no comparison).  you could say something like: la música rap es mejor que la música clásica - que es lo peor - pero la música rock es lo mejor de todas las formas de la música (rap music is better than classical music - which is the worst - but rock music is the best out of all the forms of music).

1. incorrect, it's supposed to be me los das 2. correct3.incorrect, the "s" in las isn't supposed to be there because you want to know one answer not multiple