Twitter mett is a close call. Guan Tianzhen is a Siniu English teacher and graduated from university of westminster, England with a master's degree in English education. He has visited Britain, the United States, France, Germany, Italy, Switzerland and other European and American countries. So I called the teacher.

Guan Tianzhen's English teacher team has gathered many first-line English teachers, all of whom are English elites and returnees from well-known universities in China. They have rich practical experience in IELTS, TOEFL, SAT and GRE, and have high scores in various exams. They are familiar with the examination rules and students' psychology, and finally use their interest in learning to shape their proud achievements.