1: se (i think)
2: saber
3: conoce
4: sabe
5. Lees
6: bebo/tomo
Now I’m not 100 percent sure on one and six so if you want me to remove my answer or something just let me know.
<span>El día de los niños is the holiday when children traditionally receive gifts in Mexico.</span>
<span>the question like this is called assumptions, but the assumptions have to be proved by experiments and prove to be the best, but generally in science, theories might change from time to time, so in science, it is necessary to prove the hypothesis, not just by putting up the theories.
hope this helps </span>