let''''s go.Unit3.

pens PluralSingular desks tables notebooks desks erasers rulers a pen a desk a table a notebook a desk an eraser a ruler Wednesday, February 12 th 2009 * Let’s talk 1 a marker a crayon a cassette B: It’s [ marker ]. A: What is this? Wednesday, February 12 th 2009 * Let’s talk 1 a marker a crayon a cassette B: It’s [ marker ]. A: What is this? * Let’s talk 2 B:They are [ markers ] A: What are these? 1 1 2 2 3 3 4 4 5 5 6 6 7 7 L L u u c c k k y y N N u u m m b b e e r r s s markers L L u u c c k k y y N N u u m m b b e e r r crayon pencil cases L L u u c c k k y y N N u u m m b b e e r r