Which vs Who Exercise

The difference between "which" and "who" is a common point of confusion for many English learners. "Which" is used to refer to things or non-human subjects, while "who" is used to refer to people. To better understand the distinction, try our online exercise featuring 15 sentences where you must choose between "which" and "who." For example, "I don't know _ of the books on the shelf is yours." The correct answer is "which," as the sentence is referring to books, which are non-human objects. With this exercise, you can practice using these words in context, allowing you to gain confidence in your English writing and speaking abilities. Try our exercise today and improve your grasp of English grammar.