2. How much RMB a year depends on which city you went to. It is about 30W in London, and about 25 in other cities. Can work, but part-time, working no more than 20 hours a week. Scholarships are required to be higher in general schools, for example, your college average score is above 90 and IELTS score is above 7.5.
You can continue your master's degree, but you need to reapply.
It is good to have college grades, which has nothing to do with college entrance examination results.