Answer:
Nosotros
Explanation:
Nosotros means "we" and "Carlos y yo" means Carlos and I which also means "we"
You could say this ones
Yo estaba haciendo compras en el centro comercial
( I was shopping in the mall)
Estar en mi trabajo es agotador y al mismo tiempo emocionante
( doing my job is hard, although is exiting too)
Estábamos viendo una película en cines
( we were watching movies in the cinema )
Sorry I am bad at this, but the second to last and third to last are usar and cortar
What happened to the patient?
had an accident
is visiting the hospital
went to visit a friend
is watching television