I have created a test of 50 questions, including 20 questions about 烏大龜's theories and 30 questions about English Usage.

https://www.dropbox.com/s/paye8mknh8c735t/OS-P2A-QA.pdf?dl=0

You will get a pass for having more that 25 answers correct.

Some reading materials about 烏大龜's theories is here:

https://www.dropbox.com/sh/1njxlynwemo1ths/AADB0fjbkk-Z-W4ffKaT0X7Aa?dl=0

You may check your answers here:

https://www.dropbox.com/s/yu6v1r8k6so9z95/OS-P2A-MS.pdf?dl=0