Principle of selection and grading vocabulary is based on
AFrequency, Teachability and Range
BFrequency, Translatability and Range
CFrequency, Teachability and Readiness
DFrequency, Fancy and Usability
AFrequency, Teachability and Range
BFrequency, Translatability and Range
CFrequency, Teachability and Readiness
DFrequency, Fancy and Usability
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