1 . My best friend Julia will come to see me next July, __________ she won’t be so busy. (用适当的词填空)

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

3 . The book was written in 1946, since ________ education system has witnessed great changes. (用适当的词填空)

4 . Acupuncture is a Chinese medical treatment ________ a history of about 4,000 years, which __________(probable) dates back to the Stone Age, _____stone tools called bian were used to press areas of the body. (所给词的适当形式填空)

5 . The origin of facial makeup used in Peking Opera can date back to more than 1,400 years ago, ________ leading actors used to wear masks. （用适当的词填空）

6 . 用适当的关系代词或关系副词填空
1. The litlle girl comes from Beijing, ________ is the capital of China.
2. He will come to see me at weekends, ________ I will not be busy.
3. I still don't know the reason ________ the sports meeting has been put off.
4. Our teacher has told us the situation ________ this word can be used.
5. Is this the city ________ you will spend the summer holiday with your parents？
6. Which book is the one ________ writer has won the Nobel Prize in Literature？
7. This is the best factory ________ produces famous bikes.
8. I ________ was given three books on cooking, the first of I really enjoyed.
9. The man with ________ you shook hands just now is our project manager.
10. Lily, do you still remember the boss in ________ company we worked during the summer holiday？He is coming to see us.