1 . The invention of paper was a great ________(贡献) to human civilization. （根据汉语提示单词拼写）

2 . Drugs can __________ (缓解) much of the pain（根据汉语提示单词拼写）

3 . In the __________ (先前的) chapter, we have learned much information about the Second World War. （根据汉语提示单词拼写）

4 . Indeed, his sunburnt face and arms and his slim, strong body are just like those of millions of Chinese farmers, for whom he has s________ for the past five decades. (根据首字母单词拼写)

5 . Dead and _________ (受伤的) people lay everywhere after the terrible accident. (根据汉语提示单词拼写)

6 . Traffic is bad, ________ (尤其) in the city center. （根据汉语提示单词拼写）

7 . The world admits that China has made great ________ (成就) in every field. (根据汉语提示单词拼写)

8 . The young man will have the goods ________ (递送). (根据汉语提示单词拼写)

9 . To our surprise, he made no ________ (解释) of his absence. （根据汉语提示单词拼写）

10 . The heavy luggage was sent in ________ (提前). (根据汉语提示单词拼写)