Ch.2 Part 2 — 질의응답
How 질문 (2)
How often / How much / How did 패턴을 학습한다
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핵심 내용
How often do you travel for business?
How did the client respond to our proposal?
How much does the annual membership cost?
퀴즈와 인터랙션으로 더 깊이 학습하세요
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