初中英語(yǔ)情態(tài)動(dòng)詞講解-練習(xí)及答案-wenkub.com
2025-06-15 06:12 本頁(yè)面
【正文】 may表示可能性的推測(cè)，常用在肯定句中。根據(jù)題意“為了健康，你必須戒煙”可選C。以must開(kāi)頭的一般疑問(wèn)句，作否定回答時(shí)用情態(tài)動(dòng)詞needn’t，故正確答案為C?？疾榍閼B(tài)動(dòng)詞mustn’t的用法。結(jié)合關(guān)鍵信息“Mary is waiting for me.”可知題意為“我必須離開(kāi)了”，故排除A、B、D三項(xiàng)，選C。can’t表示否定的推測(cè)；must表示肯定的推測(cè)。 7. had better 3. Must, needn’t, may例9選C 例10選D。例8選D。例4答案A。例2答案has been（ ）6. It’s the library! So you________ know shouting is not allowed here.A. can B. must C. need D. may（ ）7. Boys and girls, don’t forget your report . It ______ today. A. can’t finish B. can’t be finished C. should finish D. should be finished（ ）8.—Mr Smith must have been to your home this morning. —No, he ______ ,because he didn’t know my address.A. couldn’t B. can’t C. mustn’t D. may not（ ）9. —Must I mop up the window now? —No, you________.A. needn’t B. can’t C. shouldn’t D. mustn’t（ ）10. —Is Lucy knocking at the door?—No. It ________ be Lucy. She is in Japan now.A. needn’t B. must C. can’t（ ）11. —Another cup of coffee?—No, thanks. I _____ be off. Mary is waiting for me.A. can B. may C. must D. might（ ）12. —I’m a little tired. Let’s go to the zoo by taxi.—We take a taxi. It’s not far from here. A. can’t B. mustn’t C. couldn’t D. needn’t（ ）13. If the traffic light is red, you ________ cross the road. It’s very dangerous.A. don’t B. mustn’t C. needn’t D. wouldn’t（ ）14. —Must I finish watering the flowers now?—No, you________.A. must B. won’t C. needn’t D. can’t（ ）15. —I can’t give up smoking, doctor.—For your health, I’m afraid you ________.A. may B. can C. have to D. must（ ）16. It is usually warm in my hometown in March, but it _______ be rather cold sometimes. A. must B. can C. should D. would （ ）17. —Our class won the English speaking contest.—Congratulations! You _______ be very proud of it.A. can B. need C. would D. must（ ）18. —Excuse me, where are we going to have our class meeting?—I’m not sure. Ask our monitor, please. He know.A. can B. may C. need D. shall （ ）19. —____________I borrow these magazines?—Sorry, only the magazines over there can be borrowed.A. Must B. Would C. May D. Need （ ）20. If the traffic light is red, you ________ cross the road. It’s dangerous.A. don’t B. needn’t
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