#9 of part C is ese, not eso
#10 of part C is este, not estos
everything else in part C looks good
Part D:
#1 esos
#2 esas
#3 ese
#4 estos
#5 ese
I think that's right, but I don't know all about that for sure
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!