1 . They carried the pictures upstairs to the art room, _________ the brushes and paint were stored. (用适当的词填空)

2 . We traveled together as far as Chicago, ______ we said goodbye to each other. (用适当的词填空)

3 . The building, ________ an important conference is being held, is in the center of the city. (用适当的词填空)

4 . China,_________Tracy had taught English for several years, impressed her the most. (用适当的词填空)

5 . Opposite is St. Paul’s Church, ______ you can hear some lovely music.

6 . Some pre-school children go to a daycare center, ________ they learn simple games and songs（用适当的词填空）

7 . Some pre-school children go to a day care center, ________ they can learn simple games and songs. (用适当的词填空)

8 . In 1963 we moved to Boston, ________ my grandparents lived. （用适当的词填空）