Users practicing this topic

Post date	Users	Rates	Content
2019-09-13	Shayooooon	80	Check this topic
2018-04-27	saf1990	3	Check this topic
2017-10-02	zhrnrz1992	88	Check this topic
2017-11-09	fahim135	60	Check this topic
2018-07-13	Beex	85	Check this topic
2018-08-19	shirinn91	66	Check this topic
2018-03-22	sandi_26	80	Check this topic
2017-02-09	daniel8564	3	Check this topic
2017-12-31	hunghanchen	75	Check this topic
2017-12-23	danae27	81	Check this topic
2018-07-03	hsi	73	Check this topic
2016-09-05	Gs	86	Check this topic
2019-12-02	change_gc	90	Check this topic
2016-08-14	ameri	86	Check this topic
2018-06-21	Murphy	95	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