1 . We will put off the picnic in the park until next week, ________ the weather may be better. (用适当的词填空)

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

3 . Kate, ________ sister I shared a room with when we were at college, has gone to work in Australia. （用适当的词填空）

4 . In 1963 the UN set up the World Food Program, one of_________purposes is to relieve worldwide starvation.（用适当的词填空）

7 . Most high school students，for ________ time does be priceless，are studying hard from early morning till late night. (用适当的词填空)

8 . The Beatles,________ many of you know, came from Liverpool. (用适当的词填空)

9 . They have invited us to visit their country,________ is very kind of them. (用适当的词填空)

10 . She and her family bicycle to work,___________helps them keep fit. （用适当的单词填空）