Use the correct form of the words in brackets:
1. My father is loved by his colleagues because of his sense of ________. (humorous)
2. A child whose parents have died is called an _____________. (orphanage)
3. An __________ is a home for children whose parents were dead. (orphan)
4. I find him quite _______________ in class. (reserve)
5. I think learning a language is very ______________. (interest)
6. She gets ____________ when people smoke in the restaurants. (annoy)
7. It was _______________ that she didn’t go to school. (surprise)
8. He always does his homework ________________. (careful)
9. I can do all of these exercises ________________. (ease)
10. Her sister plays the violin very ___________________. (beautiful)
11. Paul works very ____________ in his new job. (hard)
12. She looks ______________ because she gets good mark. (happiness)
13. I find it _________________ for me to answer her question. (difficulty)