例句和例题：
句组（1）
1. The fact thatwe worked on chemistry somehow got known at school, and I was nicknamed “Gas."
= _____ we worked on chemistry somehow got known at school, and I was nicknamed “Gas."
2. All that they need is a fast Internet connection that can be trusted.
=_____ they need is a fast Internet connection that can be trusted.
3. What makes long-distance surgery attractive is that leading specialists can help with operations without being present in the operating room.
= _____ makes long-distance surgery attractive that leading specialists can help with operations without being present in the operating room.
4. I'm convinced that the only thing that kept me going was that I loved what I did.
=I'm convinced that _____ kept me going was that I loved what I did.
5. However, her passionate commitment to finding a cure made the struggle worthwhile.
=However, _____was her passionate commitment to finding a cure that made the struggle worthwhile.
句组（2）
6. Both sleep and exercise are important to your health, but _____ (get) an extra hour in addition to a full night's sleep is not going to be as beneficial as a morning workout.
7. _____ (award) the Nobel Prize for Literature is something I never could have imagined.
8. I know perhaps you will be surprised to read this: I remember well what it was like _____(be) a teenager.
9. Although the same "language" may be spoken in different countries, _____ are likely to be many differences, not just in vocabulary but also in spelling, grammar and pronunciation!
10. It would take time for balance _____ (restore) and the king would not live to see it.
句组（3）
11. The house _____ will be any style or size you fancy. Being indoors, it will need only a tiny amount of energy to heat.
12. Woz and I started Apple in my parents' garage when I was twenty. And then at thirty, I got fired. But _____ slowly began to dawn on me---I still loved what I did.
13. At that time _____ of what I learned about calligraphy seemed to have even a hope of any practical application in my life. But ten years later when we were designing the first Macintosh computer, it all came back to me.
14. He planned to cross Antarctica from the Weddell Sea to the Ross Sea via the South Pole, _____ no one had ever done before.
15. Imagine a house heated and powered by the energy equivalent to just one gas ring, _____ house in which you could actually go skiing … Science fiction? Science fact!
Answers for reference:（附解释）
1. that | 原句the fact加that同位语从句=that引导主语从句 |
2. what/everything | 原句all接that定语从句=what引导主语从句 |
3. It | It做形式主语，that从句是真正的主语，后置。 |
4. whatever | 原句the only thing 接that定语从句=whatever引导主语从句（区分：whatever强调“任何的”、“能做到的一切”） |
5. it | 原句被改成it强调句（It is…that…） |
6. getting | 动名词作主语，和is后面的表语not going对应 |
7. Being awarded | 动名词作主语，“获奖、被颁奖” |
8. to be | What从句中，it是形式主语，真正主语是不定式to be |
9. there | There be句型“可能会有……” |
10. to be restored | It take sb some time to do句型：“（生态平衡）被恢复” |
11. itself | Itself做House的同位语 |
12. something | Something began to dawn on me“我开始想到一些事情” |
13. none | 大意：当初感到我所学书法没什么用，但后来用到了 |
14. something | Something做同位语，指代前文所策划的旅程；后接定语从句 |
15. a | 同位语，重复前文的a house |
