According to Freud's theory of psychosexual development, the oral stage refers to the first developmental stage that occurs from birth to 1 year of life. During this stage of psychosexual development, infants primarily communicate and explore the world through their mouths. Infants obtain pleasure from their mouth, tasting and sucking, and their behavior is thus geared to putting things in their mouth.
The correct answer is requiring them to participate at least once in each class discussion.
Explanation: Bilingualism is a relative label, a matter of degree rather than dichotomy. It is also fundamentally a subjective phenomenon, something that first and foremost is felt.