If you stay more than 3month in Taiwan and you want to drive a car or motorcycle, you'll need a Taiwan driver's license. You can use your international license only for a certain time.
Here is the link to the Taipei government page with more information on how to obtain a scooter or driver's license. driver's license
Here you can do an online practice for the exam online test

Foreign English teachers in Taiwan need to get a health examination in order to apply the working permit, a police record from your country, and your degree. All these papers have to be submitted inside a certain time frame. You police statement and your health certificate cannot be older then a certain time at the time you apply the work permit.  

You have to be a holder of a passport from an English speaking country and you’ll need at least the so called bachelor degree in any subject.