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2019-10-01	mahan vahab kashi	73	Check this topic
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2017-12-31	hunghanchen	75	Check this topic
2018-08-03	Aftab1	60	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 the

Topic category: Integrated TOEFL Writing