11. Which of these is a proper noun?
12. What is the antonym of 'hot'?
13. Which of the following is an example of a complex sentence?
14. What is the past tense of 'run'?
15. Which word is an adjective?
16. Choose the correct form of the verb: They ___ a book at the library yesterday.
17. Which of these sentences uses a simile?
18. Which of the following is a collective noun?
19. What is the plural form of 'foot'?
20. Which of these sentences contains an error?