Ⅰ.用适当关系词填空
1．You'd better make full preparations before class and have a brief understanding of the history of Tang Dynasty, which makes it easy for you to go through the class.
2．The exhibition, the theme of which is “beauty of China”， will take place in the school hall from 2 to 5 on the afternoon of June 21.
3．We will put off the picnic in the park until next week, when the weather may be better.
4．Many young people, most of whom were welleducated, headed for remote regions to chase their dreams.
5．In the picture, we can see a boy in worn clothes, who was reading a book with full attention.
6．The books on the desk, whose covers are shiny, are prizes for us.
7．The number of smokers, as is reported, has dropped by 17 percent in just one year.
8．Opposite is St. Paul's Church, where/in_which you can hear some lovely music.
9．As I explained on the phone, your request will be considered at the next meeting.
10．I had told them the reason, for which I didn't attend the meeting.
