IV. Cho dạng so sánh thích hợp của các từ trong ngoặc. Ex: Nam is ______ taller________than his sister. (tall) 1. Mr. Tan works ________________ hours than my father. (many) 2. Summer vacation is the ________________ vacation. (long) 3. Vietnamese students have ________________ vacations than American students. (few) 4. Students today seem to have ________________ time for relaxation. (little) 5. Christmas is one of the ________________ vacations in America. (important) 6. This old woman has ________________ money than all of her daughters. (much) 7. Bill is ________________ than you. (good) 8. Vietnamese students work ________________ than American students. (hard) 9. He is the ____________ teacher, even though he has the ____________ experience. (good - little) 10. English class is ________________ than History class. (interesting) HELP ME PLEASE