2021-12-1 · Narrative Tenses (Past Simple & Past Perfect Simple) This lesson is intended for first-year students. It is destined to assist learners in the mastery of the use of some types of narrative tenses. The lesson consists of two chapters, each of which covers the Past Simple and the Past Perfect Simple respectively.
2021-12-2 · The planet Earth is a relatively small planet for our solar system with a mass of 5.9736×1024 kg and a diameter of 12,756.3 km. Orbital Characteristics: The planet Earth obits the Sun at an average speed of 29.78 km/s. At this speed it takes this planet 365.2 days to complete its revolution around the Sun.
Usama Konbr. Dr. Usama Konbr is an Associate Professor at the Department of Architecture, Faculty of Engineering, Tanta University. Dr. Konbr, from Egypt. He got a Bachelor of Science in Architectural Engineering in 1995 from Al-Azhar University, Faculty of Engineering, Department of Architecture. Later, he got a master''s degree in ...
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