Sad, happy, excited, sleepy, exhausted, angry, confused.
I believe that it would be B (reloj) since it is talking about how there is a window, a door and then a clock in a classroom.
It is also giving you the masculine singular form indicating that it can only be reloj.
Meal time is usually at 3 but can be from anywhere 2-4 in the afternoon. Im not sure what you mean by "restaurant practices" but heres a website that has information of food customs.
https://www.enforex.com/culture/spanish-eating-customs.html
Fue
....
......
....
my parent went to the pool with us.
Answer: Originally, the park belonged to a private owner, who used it as an estancia. When the government saw the utility and beauty and historical relevance of the area, they gained control over the land in 1977.
Explanation: