Answer:
1st question = supo
2nd question= quiso
Explanation: supimos means we knew
so it can't be supimos because if it was , the sentence will go like "my friends we knew the answer in class"
instead the answer should be supo so the sentence can go like "My friends knew the answer in class" and in spanish= "mis amigos supo la respuesta en clase"
same with the second question, quisimos means we wanted
so it can't be quisimos because then the sentence will go like "my family and i we wanted to go to the beach."
instead the answer should be quiso so the sentance can go like "my family and I wanted to go to the beach" and in spanish= "mi familia y yo quiso ir a la playa"