MY FAVOURITE one. How can you say 'this is a red car'?
este es un carro rojo. In Spanish the an adjective follows a noun.
Which one is correct: тортЫ or тОрты?
Only тОрты. It 's easy to memorize it with this funny poem: Долго ели тОрты — не налезли шОрты. (We've been eating cakes for a long time; now we can't put the shorts on).
What are the models of leading a class?
The choice of the model pretty much depends on the environment and education model you have. But there is one thing left. And that thing is your students. Taking in account all of the three parts listed above a techer chooses a leading model such as hierarchical being the obvious leader of the students' activity, taking control and letting them work on their own or for example distrubuted letting the studends to lead and take active part working in a group.