The train started moving. It was full of people of all ages. Near the   46  sat an old man with his 30-year-old son. As the train passed by, the son was very   47  as he looked out of the window. “Dad, look! The green trees moving away from us are very beautiful.”
This behavior from a 30-year-old son made   48  people feel strange about him. Everyone started murmuring (小声嘀咕) about the son. “This man seems to be stupid.” Ross said to his wife. Suddenly it started   49 . Rain drops fell on the travelers through the window. The 30-year-old son said with joy, “Dad, look! See   50  beautiful the rain is.”
Ross’ wife got angry   51   the rain drops made her new suit wet. “Can’t you see it’s raining, old man? If your son is not feeling well, get him to a   52  , and don’t let him annoy(打扰) us.”
The old man didn’t say anything   53  . Then he answered in a low voice, “We are on the way back from the hospital. He was blind when he was born, and he only   54   his vision(视力) last week. Everything is new to his   55   Please excuse us for the trouble...”
A. floor                  B. window                  C. door
A. excited            B. sad                     C. surprised
A. another                B. other                   C. the other
A. raining                B. shining             C. blowing
A. what                   B. how                 C. which  
A. because            B. because of              C. why   
A. restaurant             B. hospital               C. hotel 
A. at first               B. at last                 C. at times
A. has got                B. gets                    C. got  
A. ears                  B. eyes                    C. nose