Ⅰ. 单句语法填空
1. Language is not only the product of social development, but also is the reflection (reflect)of social life.
2. We had an argument (argue)with the waiter about the bill.
3. We need to challenge some of the basic assumptions(assume) of Western philosophy.
4. Her promotion(promote) to Sales Manager took everyone by surprise.
5. I was unaware of his existence(exist) until today.
6. They fought a long battle against prejudice and ignorance(ignore).
7. I did not get the impression(impress) that they were unhappy about the situation.
8. The study was based on data (datum)from 2, 100 women.
9. Our plans need to be flexible (flexibility)enough to cater for the needs of everyone.
10. Each time you start, you have to actively (active)choose.