Appendix 7 – silent letters Look up the proper pronunciation of these words in your dictionary, choose the words with silent letters and underline them. mother silent knife half Christmas wrong hotel son book comb autumn answer cousin cupboard sun paper sky map swim why write island talk wrist know hour oven come read The key for the teachers: knife, wrong, answer, write, know, half, comb, cousin, island, hour, come, Christmas, autumn, cupboard, why, talk, wrist, doubt doubt