Fill in the Blanks Indefinite Article a/anOnline version Complete the following sentences with the indefinite article: by Susan Parra 1 a an a a a a an an an a Complete the following sentences with the indefinite article : 1 . umbrella 2 . marker 3 . board 4 . eraser 5 . ruler 6 . apple 7 . book 8 . pencil 9 . orange 10 . noteboo k