Ella te lo da
This is because Ella's giving it (male) to you (tu/ti)
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”
Translation Answer:
Take the bus
Walk
Delighted
details? please, we need to figure out where he is originated from?