Use the correct form of the word given in each sentence

Use the correct form of the word given in each sentence.
1. If you need any help, you can ask Tom. He's very ........... (help)
2. I have a ........ to talk a lot whenever I am nervous. (tend)
3. Gas and oil ......... always increases in cold weather. (consume)
4. We find advertising on televison very ........... (effect)
5. The students wear their school uniforms with ........... (proud)