A/an (English exercise n°523 - Please quote this number when contacting us)Other English exercises on the same topicA/anPlural -> singularEnglish exercise "" created by anonyme (28-10-2004) with The test builderClick here to see the current stats of this English test1. Yesterday, I've bought CD's = Yesterday, I've bought a an CD. 2. I've eaten apples = I've eaten a an apple . 3. She has given him letters = She has given him a an letter. 4. I've seen elephants in that park. = I've seen a an elephant in that park. 5. I've seen stray cats in the street = I've seen a an stray cat in the street. End of the learn English: A/an (21.06.2008 21:37)A free English exercise to learn English.