三. 单词练习 1.G_____ economy is not recovered. 2.Have you watched the O_________Games on TV? 3.We found a little hard in the f____ . 4.He spent a life of s____ to others. 5. Knock before you e_____. 6.When did the accident o_______? 7.She lives a____, but she doesn't feel lonely. 8.I think it is r_______ to be a teacher. 9. It's a r_____ to get out of the office once in a while. 10.There are d______ of eggs in the basket.