Answer:
I climbed that tree from the garden.
I climbed these trees from the garden.
You were flying the child's kite.
You flew the child's kites.
Explanation:
I climbed that tree from the garden.
I climbed these trees from the garden.
You were flying the child's kite.
You flew the child's kites.
The last two have the determinative article "the", so does not correspond any demonstrative adjective.
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.