Rewrite the sentences without changing their meaning

Rewrite the sentences without changing their meaning:
11. Is nutrition very important?
 Nutrition 
12. Will people use flying cars in the future?
 People 
13. This cat is one of her pets.
 This cat is a 
14. Lan is one of my cousins
 Lan is a 
15. Although he didn’t have much money, he helps the poor.
 In spite of
16. His uncle doesn’t grow as many as flowers as my uncle does
 My uncle 
17. It took them the whole evening to finish their work
 They spent
18. It will take her two hours to fly from London to Paris.
 She will spend
19. Will Mr Brown take him to the city next weekend?
 He 
20. I can’t cook as well as my mother
 My mother can 
21. That is one of my students
 That is a 
22. In spite of studying well, he failed the exam.
 Although
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