What are ESL TEFL TESOL courses about?

English is international language and foreign colleges and universities use it as their first language. They use the international lingo for teaching and for this reason the enroll students that are proficient in English. Students going for foreign studies are asked to pass a difficult language test to prove their efficiency in international language. It is a difficult test for which the students need training.For More Information:-https://bit.ly/2RwjU5I