40% off for students这句话中 off的用法是什么

40% off for students这句话中 off的用法是什么 start off for Please give the books ? the students in class.选择 a. out for b. out to c. off for d. up to your trial is complete,upgrade now for 40%off, It is common in Britain for students to ____new hobbies after the Christmas holidays.A.take up B.take in C.take off D.take away 短文改错中This is necessary for the students to get rid off the bad habit 中的 This 为什么改成It start off for 与 set off for,有什么区别? i'm off for two ask for 3 days’off 英文翻译Ready for take-off Coats Off For Britain是什么意思? students for school talent show Students Wanted for Summer Camp students wanted for winter camp STudents wanted for ENglish club are exams good for students? Chinese students have___ weeks____ in the summertime than American students.A more off B fewer offChinese students have ____weeks___ in the summertime than American students.A more off B fewer off C more on D less off ask for two days off 还是two-day off