Mi mama es la persona mas trabajadora de la familia.
"Mama" (mom) can be replaced by the pronoun "ella" (she). The correct conjugation for "ser" in the el/ella/usted form is "es".
Hope this helps!!
To eat meat you need a knife and a fork.
Para comer carne, necesitas cuchillo y tenedor.

96. Indica
97.Estoy
98.Se durmió
99.Conducieron
100. Escuchó