In the passsage given below,one word has omitted in each line. Write the word: 
a) I badly wanted learn swimming,
b) so I hired a trainer who train me 
c) for a month. After training was complete 
d)I tried to swim alone, without 
e) anyone navigating me. I jumped the 
f) pool which was three deep at one end  and eleven at the other. Icy horror grabbed my heart.