A．how well they perform in class B．how carefully they prepare their lessons C．how fluently they express themselves in class D．how hard they work in and after class
单项选择题We can infer from the passage there were not so many independent schools （）
A．after mid-1980s B．before mid-1980s. C．at the modern age D．in nowadays
单项选择题Children take（）at the age of 13.
A．private school exam B．the Common Entrance Exam C．national exam D．no examinations
