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·President's Radio Address -2 ·【美国总统电台演说】President's Radio Address ·Lesson 25 Travel By Train Dialog 2 ·Lesson 1 Arriving In Canada (I) ·Lesson 2 Arriving In Canada (II) ·Lesson 3 Staying At A Hotel ·Lesson 4 Shopping (I) ·Lesson 5 Shopping (II) ·Lesson 6 At A Restaurant (I) ·Lesson 7 At A Restaurant (II)
