【单选题】
13. He _____ a doctor when his mother was ill.
【单选题】
32. He was the officer in _____ charge of the investigation
【单选题】
15. _____ Yellow River is_____ second largest river in China.
【单选题】
30.We heard the news on _____ radio. They watched the news on _____ television.
【单选题】
6.The university has introduced a new _______ of conduct on university life.
【单选题】
7.We could see he felt ______ as he pointed and laughed at them.
【单选题】
21.Did you hear_____ noise just now?
【单选题】
27. I know the meeting will be on ______ Sunday in June, but I don’t know the exact date yet.
【单选题】
22. ______ Renaissance was the period of the revival of classical art and literature in the 14th to 16th centuries.
【单选题】
10.A discount will be offered to _____ customers to the store.