1. A book-three books 2. A notebook- 3. A pen- 4. A pencil- 5. A pencil case- 6. A pencil sharpener- 7. A rubber- 8. A ruler- 9. A computer / laptop / tablet- 10. A mug-

1. A book - three books 2. A notebook - Ellos 3. A pen - pen 4. A pencil - pencil 5. A pencil case - pencil case 6. A pencil sharpener - pencil sharpener 7. A rubber - rubber 8. A ruler - ruler 9. A computer / laptop / tablet - computer 10. A mug - mug