Select from options: Continue writing the next sentence.

How to pass a drug test for a job
Learn what tests you will be taking.
There are many different types of drug tests, so be sure you know which specific tests you will be taking. Unfortunately, drug tests are not 100-percent accurate and can produce a " false positive " for numerous reasons.

Options are:
1). Knowing what you will need to perform to pass a drug test will help you prepare for the particular test. There are also a number of online test preparation websites which allow you to make phone calls to know what you will need to answer before and during a drug test.
2). Some common were : Multiple choice questions. These questions give a more detailed picture of whether you are a good candidate for the job.
3). Look up the question, test along, and answer topics to figure out which tests may be lower on the list of questions to ask before you make a trip to the doctor. Check out how to take any test for chemistry.
4). If you are an athlete, you may also be tested for substances that are not necessarily illegal, but that have been banned from athletic competition. Be aware that certain over the counter medications and vitamins--even foods--can trigger a false positive.
Answer:
4).