"Bad eyesight" A young man was called up for army service, but he didn’t want to become a soldier. When he went for his medical exam, ____(16)____ The doctor pointed to the eye chart on the wall and said," ____(17)____ " "The doctor line of what"the young man asked. " ____(18)____ "the doctor replied. "What chart"the man asked. " ____(19)____ "the doctor said. "What wall"the man said, Finally,the doctor decided that the man’s eyes were not good enough for army service. That evening the same young man was at a movie when another man came in and sat next to him in the dark. When the light went out, the young man saw that his neighbor whohad examined him earlier. Immediately he said,"Excuse,madam, ____(20)____ "

19().