Tocos and echilladas,an quesadillas. come from mexico i know these because I'm Mexican and i eat them every other day #mexicangirlwrotethese
C) pudieron. Ayer means yesterday and this should be conjugated in plural preterite.
Answer:
Nuestros motocicletas son grandes. This makes the most sense, and means that, nuestros will be the best answer.
Hope this helps
(☆ω☆)