Concept:The Direct Method teaches a foreign language through conversation and reading in the target language without using the learner's mother tongue or formal grammar.Explanation:This method focuses on spoken fluency first, then reading and writing. It is especially effective for second language learners because it helps them grasp English prepositions and develop the ability to understand the language naturally, similar to how they learn their mother tongue. However, it ignores translation and systematic grammar teaching.Answer:B. Second Language learners