Нет не нужен и то и другое неисчисляемое, поэтому а стоять не может
1) used to eat
2) used to be
3) used to smoke
думаю, перевести не так і важко буде)
My favourite animal is tiger. It`s a very strong animal because of its muscles and beatiful because of colouring. We can often see paintings of this animals on cars, furniture, maybe posters.