So when a flash card asks you a question with more than one right answer—How do I make a “k” sound in English? (Answer: With a C, a K, or a CK)—accept any right answer (with a C!) as correct. You can make sure you know all the answers by creating additional flash cards (e.g., What sound does the CK in rock make?). This way, your flash card review sessions will stay fun, quick, and effective.