C2 Level Vocabulary Exercise

Answers

1. It is very difficult to give objective criticism.
2. Paying taxes is obligatory.
3. An obliging saleswoman waited on me.
4. Absorbed in his work, he was oblivious to the noise.
5. Many people objected to the obscenity of the book.
6. Be observant for signs of danger.
7. There must be an obstruction in the drainpipe.
8. The weather was good except for an occasional rain.
9. It was the strangest occurrence I can remember.
10. The boy’s language was offensive.
11. He is too opinionated to consider other people’s views.
12. The senator was known for his oratory.