Users practiced this topic

Users	Post date	Rates	Link to Content
rohamheidari	2020-10-09	83	view
minafathi75	2020-11-14	80	view
HSNDEK	2023-01-07	73	view

Topic title: An airship is a type of aircraft that flies using a very large balloon filled with a lighter than air gas Airships were an important means of air transportation before the 1940s but are little used today having been largely replaced by airplanes and helic

Topic category: Integrated TOEFL Writing