1 . from where引导定语从句
教材原句：Another teacher and I walked for two and a half hours to get there—first, up a mountain from where we had fantastic views, and then down a shaded path to the valley below.
仿写：这个小女孩最终被发现藏在门后，从那里她能听到她父母说的话。
The little girl was finally found hidden behind the door, ________________　.

2 . where引导定语从句
When the train arrived at the station, they took a taxi to Lake Louise, ________________ (那里湛蓝的湖水异常美丽，令她们惊叹不已).（根据汉语提示补全句子）

3 . They climbed up to a large rock. They got a good view from it. （用“介词＋which”引导的定语从句合并句子）
_______________________________________________________________________________

7 . 我们很快就要到达云南的大理，在那里我们的表兄大卫和余杭将加入我们。
We will reach Dali in Yunnan Province soon, _________ our cousins Dao Wei and Yu Hang will join us.

8 . Directions: Complete the following sentences by using non-restrictive relative clauses.
1. Most young people think fast food, ______________________________（那些专家认为是不健康的）is fashionable and tasty.
2. Americans, ______________________________(总是匆匆忙忙的), prefer hamburger stands to restaurants.
3. Mr. Smith, ______________________________(他的夫人是中国人), speaks' Chinese fluently.
4. They flew to New York, ______________________________(他们在那儿呆了三天),and then went on 'to Washington DC.
5. They will put off the party until next week, ______________________________(那时他们的父母会在家).
6. Next week, I will go to see my former classmates, ______________________________(他们中的许多人已经结婚了).
7. The volunteers, ______________________________(绝大多数是大学生)，are willing to help the old.
8. The Earth, ______________________________ (它的70%被水覆盖), is also called the water plant.
9. These two books, ______________________________(两本都不是这个国家出版的)，have attracted millions of readers.
10. The photographs, ______________________________（没有一张是好的），cost me $100.