adjective or adverb?

Click on all adverbs.

1. They worked to pass the exam.
2. She crossed the street and managed to catch the bus.
3. He was impolite when she disturbed him.
4. She is very good at German, but she does speak French .
5. They play soccer .
6. Tracy's dress was expensive.
7. She is an efficient secretary.
8 She is a famous actress in the U.S.A.
9. I don't know him .
10. She could get what they were talking about.