A, AN, SOME, SEVERAL - Indefinite Articles

A, AN, SOME, SEVERAL
Watch the video. When he gets to the examples, pause.

Complete the practice sentences below. 
Which indefinite article is missing? Check your answers by resuming the video. 

  1. _____ mochilas
  2. _____ banderas
  3. _____ reglas
  4. _____ pupitre
  5. _____ carpetas
  6. _____ diccionario
  7. _____marcadores
  8. _____mesa
  9. _____boligrafos

REFLECTION:
For some of his examples, he uses definite articles (THE).
For which numbers did you get a different answer?