Users practicing this topic

Post date	Users	Rates	Content
2018-07-13	Beex	85	Check this topic
2019-10-01	mahan vahab kashi	80	Check this topic
2019-07-03	Amin1990	87	Check this topic
2016-11-20	pthtc	76	Check this topic
2017-02-04	dhani	75	Check this topic
2018-08-17	mahdithry	80	Check this topic
2016-09-05	Gs	86	Check this topic
2017-08-24	kasra	73	Check this topic
2016-09-02	Copperface	80	Check this topic
2018-01-13	sadeer	75	Check this topic
2018-06-21	Murphy	95	Check this topic
2018-06-30	Mehran123	76	Check this topic
2017-12-23	danae27	81	Check this topic
2018-08-03	Aftab1	60	Check this topic
2019-10-21	p0uya	73	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