1.The politician gave a speech on economic topics.

2.The concert was sold out, there were no seats left.

3.The pharmacist filled the prescription for the medicine.

4.Defeat can be a great teacher and a motivator to improve.

5.The tournament attracted many participants from around the world.

6.I'm not sure how to pronounce the word "hippopotamus".

7.The contestants had to answer a series of questions during the contest.