Below is a quick test on using abbreviations. In this test, some of the answers marked with a are not wrong; they're just not as tidy (or defendable) as the answer shown as .
Below is a set of questions. (There are question sets in this lesson.)
For each question, select the correct option.
Occasionally, both options might be acceptable. When this happens, select the better option.
Once you have answered a question, click for an explanation of the correct answer.