17. Which sentence with modals shows request? A. Can I borrow your book? B. Could I turn on the fan? C. Would you cook dinner now? D. You might say thak you often 18. Which sentence with modal show giving advice? A. Can I borrow your book? B. Could I turn on the fan? C. Would you cook dinner now? D. You might say thak you often 19. Which sentence modal shows command? A. Acrobats can do somersaults B. You must see the movie now C. You may watch the circus D. Will you helo me fix my room? 20. Which sentence with modal show facts? A You must take a bath B. You may go out C. Fishes can swim D. Man can fly​