1 . 在以前曾是沙漠的地方盖起了一栋高楼。
a．A tall building was put up ______________________.(状语从句)
b．A tall building was put up ______________________.(定语从句)

2 . from where引导定语从句
Another teacher and I walked for two and a half hours to get there — first, up a mountain ________________ (从那里我们看到了迷人的景色)，and then down a shaded path to the valley below. （根据汉语提示完成句子）

3 . 巴基斯坦是一个发展中国家，人们的生活条件恶劣。
Pakistan is a developing country ________.

4 . 我知道一个我们可以找到红色花朵的地方。
I know a place ________ some red flowers.

5 . 任何对骑行感兴趣的人都有资格参加比赛，在比赛中他们可以实现自己的梦想。
________________ cycling is qualified to participate in the race, ________________

6 . 当我拿着她，沿着一条布满黑莓的小路走向我放着一瓶水的车时，她开始移动了。(as引导时间状语从句+where 引导定语从句)
________________, she began to move.

7 . I will show you the book. In the book I found the answer. (合并为定语从句)
___________________________________________________

8 . Can you think of a case _________________________________?
你能想出这个单词被正确使用的语境吗?

9 . The girl went to visit the factory _________________________________．
女孩参观了妈妈曾经工作过的工厂。

10 . It lies at the foot of a mountain. There is natural scenery all around.(用where合并)