There is no lower limit. Their request is as long as they can understand. In fact, they are private schools and don't care how long you study. Anyway, all you have to do is pay the money, but you can apply for student loans, subsidies, or scholarships.
ESL, of course, calculates tuition. No matter whether you charge by dark credits or by semester, you have to pay. ?
ESL is designed for new immigrants and international students to help students with language difficulties. Normal university curriculum requires English level, and ESL is the most basic. ESL meets the requirements before taking normal English courses and then graduating. You don't have to learn Chinese in China, do you?
Some courses do have ESL requirements, and I can't understand English. How can I attend class? I think it's reasonable. If you pass the TOEFL test, placement is not a problem. The test is simple. ?