¿Cuáles son tus pasatiempos?
¿Cuáles son *sus / tus / vuestros pasatiempos? *For both "usted, ustedes"
Como son tus padres
mostly playing with marbles. when they play marbles,the winner gets to keep all the marbles that have been used to play the game.
¿Cuáles son tus cinco sentidos? means: What are your five senses?
¿Cúales son tus metas educativas? is Spanish for:What are your educational goals?
Those of your parents are your grandparents.
"They are your parents."
who are your friends
where are your grandparents from
how are the girls -- How are they (all boys or a mixture of girls and boys)?
"Where are your cousins from?"