题目内容：
“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 satnext to him in the dark．When the light went out，the young man saw that his neighborwho had examined him earlier．
Immediately he said，“Excuse，madam，20 _________ ”
__________
A．but does this bus go to Main Street?
B．The one on the wall．
C．he pretended that his eyesight was very bad．
D．Please read the top line．
E．he passed the exam．
F．Shall we go to the movies?
G．The top line of the chart．
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答案解析：