Users practicing this topic

Post date	Users	Rates	Content
2017-11-20	ferisotoudeh	80	Check this topic
2016-09-16	Hanako	86	Check this topic
2017-02-20	Pattern	80	Check this topic
2018-01-13	sadeer	75	Check this topic
2019-10-01	mahan vahab kashi	73	Check this topic
2016-09-05	Gs	86	Check this topic
2018-07-13	Beex	85	Check this topic
2019-07-03	Amin1990	87	Check this topic
2017-05-24	archimo	60	Check this topic
2022-02-15	Alia Mahbob	85	Check this topic
2018-08-10	hoangtuyet	71	Check this topic
2019-12-02	change_gc	90	Check this topic
2017-12-23	danae27	85	Check this topic
2018-08-22	luga	65	Check this topic
2018-07-21	martreem	71	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