since 1989, ielts has been proven and trusted worldwide to provide a secure, global, authentic and customer-focused test which measures true to life ability to communicate in english
ielts is the international english language testing system
"since 1989, ielts has been proven and trusted worldwide to provide a secure, global, authentic and customer-focused test which measures true to life ability to communicate in english" What is the definition of "ielts"?