1. I did not get the impression (印象) that they were unhappy about the situation.
2. I was unable to attend the party because of a previous (在先的）engagement.
3. There is a chemical plant in the surrounding (周围的）area.
4. She lacked (缺少)the experience to get the job.
5. He got the juice from the grapes by pressing (挤压)them.
