Unit 2 Words in use A embarrassed polished emotional efficiency curb awaits donation dump stuffed historical 1. He has a special feeling for the brilliant birds, and each spring he eagerly _____________ their return. 2. Thanks to the _____________ of air transport, everyone is free to go anywhere at any time. 3. John believes that the _____________ of food to the hungry is more helpful than giving money. 4. Mary was a careful speaker; every word seemed to have been _____________ before it was allowed to escape through her lips. 5. When she heard it was snowing in the city they were going to, she _____________ two more sweaters into her bag. 6. During our stay in Europe we visited many places of _____________ interest, including several castles. 7. The wedding ceremony of my sister was a very _____________ experience for our family. 8. He was _____________ when he discovered that he didn't have enough money to pay for the red wine he had ordered. 9. The local government is pressed to find new places to _____________ waste. 10. The new system designed to _____________ harmful emissions ( 排放物) from factories will be put into use soon.