17. Tom spent 30 minutes watching the play ( S + spend + time/money + Ving )
18. It took him 30 minutes to watch the play.
He likes swimming and sunbathing.
He is interested in swimming and sunbathing ( like = be interested in + Ving )
19. It took her nearly an hour to do the crossword.
She spent nearly an hour doing the crossword ( It took + time/money + to V )
20. My teacher enjoys listening to folk songs in her free time as this helps her to reduce stress.
My teacher likes listening to folk songs in her free time as this helps her to reduce stress. (like = enjoy + Ving )
21. Jane likes listening to folk songs in her free time as this helps her to reduce stress.
Jane fancies listening to folk songs in her free time as this helps her to reduce stress. ( like = fancy + Ving )
22. My aunt really loves surfing the Internet. She can even do it all day without being tired at all.
My aunt adores surfing the Internet. She can even do it all day without being tired at all ( love = adore + Ving)
23. Ngọc dislikes doing any sports or exercises, so her health is not good enough to study.
Ngọc doesn't like doing any sports or exercises, so her health is not good enough to study ( dislike = don't like : ko thích )
24. Some of my friends fancy making crafts. They often save money for some craft kits.
Some of my friends enjoy making crafts and often save money for some craft kits 
25. Cindy is extremely interested in taking care of her pets. She doesn't mind doing it every day.
Cindy adores taking care of her pets. She doesn't mind doing it every day ( be interested in = adore)