1. We were all （怀疑）about whether the story was true.
2. Mrs Smith will be in charge during my （缺席）.
3. The population of India is （增加）year by year.
4. The factory stopped （运营）after the earthquake.
5. He （引入）an interesting topic into our conversation.
6. His death r from an overclose of drugs.
7. I’m c that he will come. Yes, I’m sure.
