Unit 11 Conflict and Compromise 情态动词基础练习 -2023-2024学年高中英语北师大版（2019）选择性必修第四册

情态动词 基础专项练习 一、在空格处填写适当的情态动词（每空限填一词） 1. A computer __________ not think for itself. It must be told what to do. 2. According to the law, people under eighteen __________ not drink or smoke. 3. Peter ________ come with us tonight, but he isn’t very sure yet. 4. The school has made it a rule that students __________ not use mobile phones in class. 5. It is taken for granted in China that children __________ __________ support their parents. 6. You __________ not return the book now. You can keep it till next week if you like. 7. Johnny, you __________ not play with the knife. you __________ hurt yourself. 8. I went to the doctors yesterday, I had to wait for half an hour before he __________ see me. 9. One __________ never be too careful when driving. 10. We __________ __________ be careful when we are making friends on the Internet. 11. The customers insisted that action __________ be taken to ensure the safety of food. 12. You __________ switch off your electronic devices when taking a plane. 13. The custom of giving gifts at Christmas __________ be traced back to the Wise Men bringing gifts to the baby Jesus. 14. Anyone who wants to be a firefighter __________ have a sharp mind and calm nerves. 15. You __________ __________ take TOEFL or ELTS test if you want to study abroad. 16. He decides to donate money to the mountain area so that children there __________receive further education. 17. I can't find Mr. Smith anywhere in the office building. Where __________ he have gone? 18. I didn’t hear the phone. I __________ have been asleep. 19. I didn’t see her in the meeting room this morning. She __________ not have spoken at the meeting. 20. We ____________ have studied last night, but we went to the concert instead. 21. They __________ have missed the plane, or perhaps they have been prevented from coming for some reason. 22. Since the ground is white. it __________ have snowed last night. 23. He had known the matter before you told him, so you __________ not have