It is really rare to find a website to do the questions, because it is not so easy to implement, especially in the number and type of questions. Some schools may have online teaching systems, and such schools may have websites, but I think websites with a large number of problems may not.

In addition to the website, there are many workbooks that can do problems, such as top students' learning plans, general practitioner Wang, full interpretation of new textbooks, and topic help, which are numerous and popular at present.

Technology is developing at present. At this stage, your requirements for doing online exercises may be a bit high, so you'd better be honest and willing to do exercise books, hoping to help you.