Users practiced this topic

Users	Post date	Rates	Link to Content
Nesreen	2020-10-04	60	view
thichngaodu27	2020-06-11	73	view
Shyam Pradhan	2018-07-30	73	view

Topic title: Starting in the 1960s and continuing until the 1980s, sailors in Russian submarines patrolling the North Atlantic and Arctic Ocean would occasionally hear strange sounds. These underwater noises reminded the submarine crews of frog croaks, so they called

Topic category: Integrated TOEFL Writing