一、用关系词完成下列句子
1.He wrote many children’s books,nearly half of       were published in the 1990s. 
2.Opposite is St.Paul’s Church,       you can hear some lovely music. 
3.The books on the desk,       covers are shiny,are prizes for us. 
4.As the smallest child of his family,Alex is always longing for the time       he should be able to be independent. 
5.English is a language shared by several diverse cultures,each of       uses it differently. 
6.The exact year       Angela and her family spent together in China was 2008. 
7.The children,all of       had played the whole day long,were worn out. 
8.Nowadays people are more concerned about the environment       they live. 
9.John invited about 40 people to his wedding,most of       are family members. 
10.He wrote a letter       he explained what had happened in the accident.