Choose The correct answer:          1. ...... apple a day keeps ...... doctor away. (A) The/a (B) An/the (C) A/an (D) Nothing/an 2. ........ Water is good for you. (A) A (B)Nothing (C) An (D) The 3. Would you like to listen to ...... MP3 song? (A) nothing (B)an (C) a 4. He is one of ...... smartest people I know. (A)the (B)an (C)a (D) nothing 5. Have you ever been to ...... United States of America? (A) nothing (B) an (C) a (D) The 6. ....... earth is oval. - (A) Nothing (B) An (C) A (D) The 7. ....... mor