Please choose the correct ending to complete the given sentence: Work World: [header] How to pass a drug test for a job [title] Learn what tests you will be taking. [step] 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.

Ending1: 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. Ending2: Some common were : [substeps] Multiple choice questions. These questions give a more detailed picture of whether you are a good candidate for the job. Ending3: 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. [substeps] Check out how to take any test for chemistry. Ending4: [substeps] 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. [title] Be aware that certain over the counter medications and vitamins--even foods--can trigger a false positive.

Answer format: ending1/ending2/ending3/ending4