1. a bon
2. a blackboard
3. a clict
4. ch
5. a c_mp_t_r
6. c_pb_rds
7. d_sk
8. r_s_r
9. x_rc_s_b_k
10. a wh_t_b_rd
11. a pen
12. some pencils
13. a pencil case
14. a pencil sharpener
15. rulers
16. a schoolbag
17. shelves