填空题The three main things that a learner has to acquire when learning a new structure are the form, meaning and（）of the structure.
填空题“Knowing English” must mean knowing how to（）in English.
填空题The cardinal rule means（）.
填空题If the aim of a lesson is “To learn the names of colours” the lesson may focus on a particular（）.
填空题Chomsky refers to the child’s innate endowment as（）,a set of principles which are common to all languages.
