1 . 一看到我来了，他就笑个不停，这使我很困惑。
At the sight of my coming, he didn’t stop laughing，________________．

2 . 我们青少年喜欢“Talk and Talk”，它的重点是我们丰富多彩的校园生活。
We ________________ “Talk and Talk”, ________________．(非限制性定语从句)

3 . 1986年美国“挑战者号”航天飞机发生解体，机上7名机组人员丧命，给人类太空探索蒙上了阴影。(现在分词短语作结果状语＋非限制性定语从句)
In 1986, the U. S. space shuttle Challenger disintegrated, ________________.

4 . Tom's love for the Chinese bamboo flute started in elementary school,_________clear sound guided him onto the road of flute learning.(用适当的词填空)

5 . 西安是一个极为美丽的地方，它使东方迷人的艺术和文化充满了生机。(定语从句)
Xi’an is a wonderland, ________________.

6 . 经过慎重考虑，我决定推荐拥有辉煌历史的西安。(定语从句)
After careful consideration, I have determined to recommend Xi’an, ________________．

7 . 古埃及属于世界四大文明古国，其金字塔是世界八大建筑奇迹之一。(定语从句)
Ancient Egypt belongs to ________________ in the world, ________________ in the world.

8 . They arrived at an old church. A big crowd of people stood in front of the old church.
→They arrived at an old church, ________________. (含有定语从句的倒装句)

9 . 此外，海洋还是自然资源的宝贵来源，其中一些对我们来说完全是新的资源。
Furthermore, the oceans are a valuable source of natural resources, ________________.

10 . 通常是这样的，有梦想的人会努力克服任何困难去实现自己的梦想。(as 引导非限制性定语从句 )
________________, a man who can dream will try hard to overcome any difficulties to realize his dream.