Put the articles. 1. this is …. book. this is … a computer. 2. these are …. pens. …. pens are blue. 3. do you know … answer? 4. you are in … wrong place! you are in … wrong place! 6. …. note-books are green and yellow. 7. ….. doctors are good 8. these are …. children. 9.this is …. box. …. box is small. 10. are you waiting for … school bus?