Users practicing this topic

Post date	Users	Rates	Content
2017-08-13	usoulo1	78	Check this topic
2018-06-03	Fetemeh	86	Check this topic
2018-08-03	Aftab1	60	Check this topic
2019-12-02	change_gc	90	Check this topic
2016-08-22	mgrajapt	83	Check this topic
2018-01-14	vahid47	80	Check this topic
2018-07-13	Beex	80	Check this topic
2017-02-22	Pattern	68	Check this topic
2019-10-01	mahan vahab kashi	73	Check this topic
2018-10-11	hardy	80	Check this topic
2017-03-03	alylmaz	75	Check this topic
2017-12-23	danae27	85	Check this topic
2018-06-21	Murphy	95	Check this topic
2017-02-12	juanmatta	78	Check this topic
2017-11-09	fahim135	60	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 the

Topic category: Integrated TOEFL Writing