1. I was so frightened that I closed my eyes. (frightening/frightened)
2. The graduate is preparing for a job interview. (graduate/graduation)
3. It was an impressive performance by the French team. (perform/performance)
4. I accepted the decision without argument (argue/argument).
5. Have your children take the test that determines their intelligence, will you? (intelligent/intelligence)
6. Mrs Smith was so particular about/over everything that no servants could please her. (particular/particularly)
7. It’s not right to make a decision without investigation and study. (investigate/investigation)
8. The teacher asked us to memorise the words and phrases we had learnt. (memorise/memory)
9. Every year his parents subscribe several journals for him to broaden his view. (subscribe/subscriber)