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2018-05-30	Elena Cristina	88	Check this topic
2018-10-11	hardy	80	Check this topic
2017-12-23	danae27	88	Check this topic
2017-01-22	wsxedc	65	Check this topic
2018-09-05	mojtabaakbari1992	68	Check this topic
2018-06-30	Mehran123	76	Check this topic
2018-07-21	martreem	71	Check this topic
2017-12-23	danae27	85	Check this topic
2017-11-09	fahim135	60	Check this topic
2018-08-10	hoangtuyet	71	Check this topic
2016-10-06	naznazu	80	Check this topic
2017-11-09	fahim135	60	Check this topic
2017-05-24	archimo	60	Check this topic
2017-12-23	danae27	85	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