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2018-07-21	martreem	71	Check this topic
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2018-08-17	mahdithry	80	Check this topic
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2017-02-09	daniel8564	3	Check this topic
2017-12-23	danae27	85	Check this topic
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2018-06-30	Mehran123	76	Check this topic
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2019-12-02	change_gc	90	Check this topic
2016-10-06	naznazu	80	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