1. sí VI a John y a Paul. 2. sí compré un regalo. 3. sí, te llamé ayer por teléfono.
I believe that you selected the correct answer because the got the food without her permission and they ate it.
The Mississippi is a river
A. a island
B. a desert
C. a river
B. a sea
Therefore the answer is C. un rio
Hope this helped!