This quiz works best with JavaScript enabled. Home > Grammar > Parts Of Speech > Verbs > Auxiliary Verbs > Modal Verbs > Modals Of Deduction – Quiz 16 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Modals Of Deduction Quiz 16 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Nora must travel a lot. Her passport's full of ..... A) Visa stamps. B) Blank pages. C) All the above. D) None of the above. Show Answer Correct Answer: A) Visa stamps. 2. I'm almost certain I know the answer. A) It must be 134!. B) That's right!. C) It could be 134!. D) It might be 134!. Show Answer Correct Answer: A) It must be 134!. 3. A:How much is the bag?B:It ..... expensive as it is not original. A) Might be. B) Must be. C) Can't be. D) Can be. Show Answer Correct Answer: C) Can't be. 4. That woman ..... be the new manager. Our new manager is a man. A) Can't. B) Must. C) All the above. D) None of the above. Show Answer Correct Answer: A) Can't. 5. They must be eating dinner now A) I remember they booked a table at a restaurant for around now. B) They usually eat around this time. C) The finished their dinner an hour ago. D) None of the above. Show Answer Correct Answer: A) I remember they booked a table at a restaurant for around now. 6. It's the world's oldest mystery. You ..... know the answer. A) Can't. B) Must. C) All the above. D) None of the above. Show Answer Correct Answer: A) Can't. 7. He ..... be in class. I saw him at the library a minute ago. A) Can't. B) Might not. C) Must. D) None of the above. Show Answer Correct Answer: A) Can't. 8. Anthony is posting a lot of pictures on facebook these days. I am not sure but he ..... gone on vacation. A) Can't have. B) Might have. C) Must have. D) None of the above. Show Answer Correct Answer: B) Might have. 9. I explained the homework but she did the wrong page. She ..... misunderstood me. A) Must have. B) May have. C) Might have. D) Couldn't have. Show Answer Correct Answer: A) Must have. 10. Sam drank some water after eating the noodles, so they ..... be spicy. A) CAN'T. B) MUST. C) COULD. D) None of the above. Show Answer Correct Answer: C) COULD. 11. Yuki's quite good at grammar. I think she ..... know the answer to this question. A) Can't. B) May. C) Might not. D) Must. Show Answer Correct Answer: B) May. 12. She could ..... at home. I don't know where she is. A) Be. B) Have been. C) All the above. D) None of the above. Show Answer Correct Answer: A) Be. 13. Come on! He looks too young. He ..... be a student, not the teacher. A) Must. B) Might. C) Can't. D) None of the above. Show Answer Correct Answer: A) Must. 14. 'What kind of bird is that?" I'm not sure. It ..... be an eagle but I can't see it very well.' A) Might. B) Must. C) Can't. D) None of the above. Show Answer Correct Answer: A) Might. 15. I ..... met Lisa before, but I'm not sure as I don't recognise her. A) May have. B) Must have. C) Should have. D) None of the above. Show Answer Correct Answer: A) May have. 16. The suspect claims he didn't commit the crime, but his fingerprints were found on the stolen items.What is the logical conclusion? A) "He must have stolen the items.". B) "He might not have known they were stolen.". C) "He can't have touched the items if he wasn't involved.". D) "He must not have realized his fingerprints were there.". Show Answer Correct Answer: A) "He must have stolen the items.". 17. They ..... be having party-the music's very loud. A) Mustn't. B) Can't. C) Must. D) None of the above. Show Answer Correct Answer: C) Must. 18. I can't find my keys. I ..... left them in the school, I suppose. A) Might have. B) Must. C) Could. D) May. Show Answer Correct Answer: A) Might have. 19. He's not a liar. The story ..... be true A) Must. B) May. C) Have to. D) Can. Show Answer Correct Answer: A) Must. 20. The neighbors ..... be out. There aren't any lights on the house. A) Must. B) May. C) Might. D) Can't. Show Answer Correct Answer: A) Must. 21. Bianca ..... have studied for her tests. She failed. A) Can't. B) Must. C) May. D) None of the above. Show Answer Correct Answer: A) Can't. 22. Zoe might be tired. She's been ..... all day. A) Working hard. B) Doing nothing. C) All the above. D) None of the above. Show Answer Correct Answer: A) Working hard. 23. You use it to smell: A) Nose. B) Armpit. C) Brain. D) Stomach. Show Answer Correct Answer: A) Nose. 24. I'm not sure, but I think Giovanna ..... have broken up with her boyfriend. She didn't bring him for the Christmas' dinner, after all. What do you think? A) May. B) Can't. C) Must. D) None of the above. Show Answer Correct Answer: A) May. 25. She hasn't got a ring. She ..... be married. A) Must. B) Can't. C) Could. D) None of the above. Show Answer Correct Answer: B) Can't. ← PreviousNext →Related QuizzesAuxiliary Verbs QuizzesVerbs QuizzesModals Of Deduction Quiz 1Modals Of Deduction Quiz 2Modals Of Deduction Quiz 3Modals Of Deduction Quiz 4Modals Of Deduction Quiz 5Modals Of Deduction Quiz 6Modals Of Deduction Quiz 7Modals Of Deduction Quiz 8 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books