2025年六升七英语衔接期情态动词表推测用法衔接试卷及答案

2025 年六升七英语衔接期情态动词表推测用法衔接试卷及答案 一、单项选择题（每题2 分，共10 题） 1. Look at those dark clouds. It ______ rain soon. A. must B. might C. can’t D. will 2. The light is on in her room. She ______ at home. A. must be B. can’t be C. might not D. could 3. He knows all the answers. He ______ studied very hard. A. must have B. might have C. can’t have D. should 4. Where’s my pen? It ______ under your book. A. might be B. mustn’t be C. can’t be D. should 5. She didn’t answer the phone. She ______ asleep. A. must be B. might be C. can’t be D. must have been 6. They haven’t arrived yet. The traffic ______ terrible. A. must be B. might be C. can’t be D. should be 7. He speaks perfect French. He ______ lived in France. A. must have B. might have C. can’t have D. should have 8. The cake is gone. Tom ______ eaten it all. A. must have B. might have C. can’t have D. should 9. It’s impossible. She ______ finished the work so quickly. A. must have B. might have C. can’t have D. could 10. The door is locked. They ______ out. A. must be B. might be C. can’t be D. should be 二、多项选择题（每题2 分，共10 题） 11. Which modals express logical certainty? (Choose two) A. must B. might C. can’t D. could 12. Which modals express possibility? (Choose three) A. may B. must C. might D. could 13. Choose correct sentences for past deduction: (Choose two) A. She must be tired. B. He might have missed the bus. C. They can’t have known the truth. D. We should go now. 14. Which express negative certainty? (Choose two) A. must not B. can’t C. might not D. could not 15. Select sentences with correct modal usage: (Choose two) A. It must rain tomorrow. B. She can’t be in London; I saw her here. C. He might comes late. D. They must have left early. 16. Which modals are used for present deduction? (Choose three) A. must B. might C. should D. can’t 17. Identify incorrect usage: (Choose two) A. She must has a problem. B. They might be lost. C. He can’t have saw me. D. It must be cold outside. 18. Choose expressions of possibility: (Choose two) A. It could snow tonight. B. You must be joking! C. She may know the answer. D. They can’t be serious. 19. Which sentences show past possibility? (Choose two) A. He might have forgotten. B. She must be at work. C. They could have taken the wrong train. D. It can’t be true. 20. Select correct negative deductions: (Choose two) A. She mustn’t be sick. B. He can’t be the thief. C. They might not have arrived yet. D. It couldn’t have been easy. 三、判断题（每题2 分，共10 题） 21. "Must" expresses 100% certainty. → T / F 22. "Can’t" is used for positive possibility. → T / F 23. "Might not" means something is impossible. → T / F 24. "Could" can express past ability and present possibility. → T / F 25. "She must have gone" deduces a past action. → T / F 26. "May not" and "might not" have the same meaning. → T / F 27. "Can’t have + past participle" is incorrect grammar. → T / F 28. "Should" is commonly used for logical deduction. → T / F 29. "It can’t be him" expresses certainty that it’s impossible. → T / F 30. "Must be" is used for present/future deduction. → T / F 四、简答题（每题5 分，共4 题） 31. Explain the difference between "must" and "might" for making deductions. 32. Rewrite using a modal verb: "I’m sure she is at home." → 33. Form a past deduction: The ground is wet. (use "must have") → 34. Correct the error: "He must has left his keys behind." → 答案 1. A 2. A 3. A 4. A 5. B 6. B 7. A 8. A 9. C 10. A 11. AC 12. ACD 13. BC 14. BC 15. BD 16. ABD 17. AC 18. AC 19. AC 20. BD 21. T 22. F 23. F 24. T 25. T 26. T 27. F 28. F 29. T 30. T 31. "Must" indicates high certainty (≈95%), while "might" suggests possibility (≈50%). 32. She must be at home. 33. It must have rained. 34. He must have left his keys behind.