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2018-07-13	Beex	80	Check this topic
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2017-12-31	hunghanchen	75	Check this topic
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2018-07-13	Beex	85	Check this topic
2017-02-09	daniel8564	3	Check this topic
2019-07-03	Amin1990	87	Check this topic
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2018-01-14	vahid47	80	Check this topic
2019-12-02	change_gc	90	Check this topic
2017-11-09	fahim135	65	Check this topic

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