题目

阅读下面短文，在空白处填入1个适当的单词或括号内单词的正确形式。 Valentine's Day is the time of the year when couples show their love for each other by sending cards, flowers and chocolates. Its origins are unclear and hidden in the river of time. Nobody knows(exact) who St. Valentine was, although some histories suggest he was a Roman killedthe third century AD by a Roman Emperor. It is said  the first recorded Valentine's card was sent by the imprisoned Duke of Orleans in 1415. It is believed that he tried to find(comfortable) from his imprisonment by writing love poems to his wife. Now, Valentine's Day(celebrate) in many countries around the world. However, the traditions often differ from place to place. In Japan, for example, it is normal for the woman  (send) chocolates to the man,  in South Korea April 14th is known as “Black Day“ and is when the(fortunate) men who received nothing on Valentine's Day gather to eat noodles and show sympathy for each other. Technological developments have also played their part in  (keep) Valentine's Day relevant in the 21st century. Valentine's e-cards  (be) very popular in recent years. 答案：【1】exactly【2】in【3】that【4】comfort【5】is celebrated【6】to send【7】while/but【8】unfortunate/less fortunate【9】keeping【10】have been

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