Ⅰ.用适当的关系词填空
1．The books on the desk, ________ covers are shiny, are prizes for us.
2．He wrote many children's books, nearly half of ________ were published in the 1990s.
3．The number of smokers, ________ is reported, has dropped by 17 percent in just one year.
4．English is a language shared by several diverse cultures, each of ________ uses it differently.
5．There are two buildings, the larger of ________ stands nearly a hundred feet high.
6．________ is said above, the number of the students in our school has increased.
7．He changed his mind, ________ made me very angry.
8．That old man is John's father, ________ your son helped with the luggage yesterday.
9．The last time I went to Scotland was in May, ________ the weather was beautiful.
10．We will be shown around the city; schools, museums, and some other places, ________ other visitors seldom go.
