This is     ID card and that  is        eraser.

A.a,a     B.an,an    C.a,an     D.an,a

This is     ID card and that  is        eraser.

A.a,a     B.an,an    C.a,an     D.an,a

This is _____ ID card and that is _______  book.

   A. a, an              B. an; an             C. an; a 

This is     ID card and that  is        eraser.

1. A.
   a,a
2. B.
   an,an
3. C.
   a,an
4. D.
   an,a