Incorrect. The answer should be “Mi hermano y yo te estamos mirando” or “mi hermano y yo lo estamos mirando”
It’s asking to fine the thing that’s is considered a material. For example, the first question you underlined “baloncesto” which means basketball. The next one would be “perro” which means ball. The next one would be “casa” which means house and so on.
did you mean to attach a file?
Please be more specific, cuz I can't understand you