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8. Peter should do this task.
=> This task
9. This is the first time I have spoken in front of so many people.
-> I was not used to speaking in front of so many people
10. Participating in volunteer work to help the needy is very meaningful.
=>It is
11. My father let the children splash around in the pool for a while yesterday.
=> My father allowed
12. He wished he had invited her to his birthday party.
=> He regretted
13. The movie was interesting.
=> We were interested in the movie
14. The story was boring.
=> I was bored with the story
15. The novel was disappointing.
=> They