La palabra que debes añadir es "pueda"
As a spanish speaker, I believe it is
a. Es buena idea que hagas una reservación.
There are different dorms of 'tener' because the questions are referring to different people such as you or parents.
These 'tener' phrases compare to the way we express the same ideas in English by meaning the same thing but not translating into the same thing. Take ¿Tienes fr<span>ío? It translates to 'Do you have cold?' but it means 'Are you cold?' in Spanish.</span>
Answer:
En la playa, el agua es azul y fria.
Hace mucha calor y sol.
nosotros jugamos volleyball y reimos muchisimo.
tambien comemos mangos en restaurantes pintorescos y andamos por el muelle de pesca.
a mi me gusta much ir a la playa
Explanation: