阅读下面材料，在空白处填入适当的内容（1个单词）或在括号内单词的正确形式（不超过3个单词）。
I borrowed ___ story book from the library the other day and took it home. One evening, having finished supper, I went back to my room and started to read the book that I ____
__ (borrow). I was so ___
___ (absorb) that I knocked the coffee cup over __
__ accident, pouring the coffee onto the book. Wet through and colored brown, the book turned out to be a _
___ (terribly) mess at once. Of course, I couldn’t return the dirty book and the loss should be covered. The next day, I went to the _
__ (big) bookstore in my city, _
__ there were various kinds of books. I finally found several _
__ (copy) of the same book and bought __
___. When I returned the new story book and explained the reason, the librarian accepted the book and praised me for my honesty and ___
__ (responsible).
We will leave London on 15 July, and we’ll be flying to Morocco. We are going to travel on camels the Sahara Desert.
It seemed that the water led to cholera．John Snow looked into the source of the water for these two streets．He found that it came from the river, had been polluted by the dirty water from London．Immediately John Snow told the astonished people in Broad Street to remove the handle from the water pump so it could not be used．Soon the disease began to slow
．
John Snow had shown that cholera was spread by germs and not in a cloud of gas．___addition, he found two other deaths in another part of London that were concerned with the Broad Street outbreak．A woman, who had moved away from Broad Street, liked the water so much that she had had it delivered from the pump to her house every day．
Technological developments have also played their part ______ keeping Valentine’s Day relevant in the 21st century. Valentine’s ecards have been very popular in recent years.
Now，Valentine’s Day is celebrated in many countries around the world. However, the traditions often differ from place to place.
In Japan，for example，it is normal _______the woman to send chocolates to the man, ___
___in South Korea April 14th is known as “Black Day” and is when the unfortunate men who received nothing on Valentine’s Day gather to eat noodles and show sympathy for each other.
_______is believed that he tried to find comfort from his imprisonment by writing love poems to his wife.