Come tu almuerzo
The first one is saying, “eating your breakfast.” The third one is saying “we’re eating your breakfast” and the second one says “eat your breakfast”
The conjugation for the underlined word is ser
The second answer. Because “sus” is the only one which has the “s” because it is plural. If it would be “nuestro” it should had an “s” like “nuestros hijos son altos” or “tus hijos son altos”
Be more specific.
If she buys a bottle of water to cost 1.85, she gets the bottle of water and loses the 1.85 she used to have.