6. Yo no (entender, e-ie).
7. Mi padre siempre
(perder, i-ie) las llaves.
8. ¿A qué hora
_(volver, o-ue) ellas a casa?
9. Nosotros
(jugar, u-ue) volibol.
10. Yo
_(venir, e-ie) a la escuela hoy.

google translate is the way to go, sorry i cant you but its a trusted resource to use

d) comen

explanation:

d is the correct answer

1. the countries / conserve their natural resources hopefully the countries conserve their natural resources 2. this path / take us to the crater of the volcano ojalá that 3. the population / want to change the laws of deforestation hopefully 4. people / reduce the use of cars in cities i hope that 5. all of us / know how to solve the problem of global warming i hope that ( i hope you wanted it in english)