1. Burning coal has led to________(globe)warming.
2. They will do their best to________(generation) more energy from the wind and sun.
3. The 20kilometrelong subway is so far this city's largest________(construct) project.
4. Mr. Smith, a history teacher, is busy doing some________(history) research.
5. The gap between the two parties has been________(narrow)．
6. When he was at university, he majored in________(engine)．
7. I'd like you to have my name________(remove) from your list. I don't want to be involved in the matter.
8. The building________(date) from the Qing Dynasty is in good condition.
9. All the furniture in the room had much________(carve)．
10. You have to pay for your________(accommodate)．
