Ⅰ. 根据首字母或汉语提示填空。（2×10=20分）
1. Many people attended the opening c___________ of the Three Gorges Dam.
2. There was an a__________ house by the side of the road. No one lived in it.
3. Don’t be late for your i ____________, or you won’t get the job.
4. I bought a little model of the Great Wall as a s_________ of his holiday in Beijing.
