Users practicing this topic

Post date	Users	Rates	Content
2022-07-08	Hibahtabbaa	66	Check this topic
2016-12-23	Yanyan Liu	83	Check this topic
2017-02-08	Pattern	80	Check this topic
2018-10-09	hanykelleny	65	Check this topic
2016-08-13	shiva1122	60	Check this topic
2022-08-23	agebrew	78	Check this topic
2017-01-24	HamdyTawfeek	66	Check this topic
2020-01-03	Ashfaq	80	Check this topic
2017-10-14	AR1	90	Check this topic
2019-05-02	manhhieu2001	76	Check this topic
2019-12-29	nusybah	66	Check this topic
2014-11-02	france79	80	Check this topic
2018-01-16	vahid47	85	Check this topic
2016-08-05	ameri	76	Check this topic
2016-10-05	Gs	86	Check this topic

Topic title: The zebra mussel, a freshwater shellfish native to Eastern Europe, has long been spreading out from its original habitats and has now reached parts of North America. There are reasons to believe that this invasion cannot be stopped and that it poses a ser

Topic category: Integrated TOEFL Writing