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2018-10-19	mgrajapt	80	Check this topic
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2022-02-15	Alia Mahbob	85	Check this topic
2018-08-19	shirinn91	66	Check this topic
2016-08-22	mgrajapt	83	Check this topic
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Topic title: Starting in the 1960s and continuing until the 1980s, sailors in Russian submarines patrolling the North Alantic and Arctic Ocean would occasionally hear strange sounds. These underwater noises reminded the submarine crews of frog croaks, so they called t

Topic category: Integrated TOEFL Writing