Answer:
I asked a Spanish friend and they said I "Son las 10 de la tarde"
I only know one. The first ques. My answer is Voy al supermercado
El reloj está en la pared (there’s more than one translation for ‘wall’ though)
No usar la carro. The question is asking you what you can do to limit your effect on exercising carbon footprint. Not using the car is a good option for that, but if your teacher said something else in class, I would use that.
Mi mochila no es grande. No cabe todos mis libros.
My backpack is not big. It does not fit all my books.
The verb should be conjugated with the ending -e. This ending applies to he, she, and it nouns. In this case, the backpack was an 'it'.