B. Listen. Circle the correct answers.
(Nghe. Khoanh tròn các câu trả lời đúng)
1. When Titanic sank, it was traveling to (Southampton, England / New York, U.S.A.).
2. Ballard first studied Titanic (with a robot / by going inside).
3. Ballard visited Titanic again in (1985 / 2004).
4. Ballard wants to (protect / move) the ship.
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