情态动词1. —I wonder if these are Danny's glasses.—They________be Danny's. He doesn't wear glasses.A. can'tB. mustC. mustn'tD. can【答案】A2.—Will Jim fly to Taiwan for a holiday?—He ________ try. In fact, it depends on how much the journey costs.A. mayB. has toC. needD. must【答案】A3.—Could I invite my friends to the party on Saturday，Mom?—Of course you ________. That sounds like fun.A. mayB. couldC. mustD. can【答案】D4. In some countries，people ________ download(下载) music from the Internet without paying，because it's against the law.A. wouldn'tB. needn'tC. mustn'tD. couldn't【答案】C5. —Philips，________you make so much noise when your little sister is sleeping?—Sorry，Mom. I'll stop right away.A. canB. mayC. must【答案】C6. The little boy has just had lunch. He ________ be hungry already.A. mustB. mustn'tC. canD. can't【答案】D7. These oranges look nice，but ________ very sour.A. feelB. tasteC. soundD. look【答案】B8.—Must I hand in my book report today，Mr. Brown?—No，you ________. The book report is due in two weeks.A. can'tB. mustn'tC. shouldn'tD. needn't【答案】D9. You________set out alone，or you________get lost in the jungle.A. needn't；mayB. mustn't；mightC. can't；needD. mustn't；must【答案】B10.—May I take the dog with me，sir?—________. Pets are not allowed to enter the hall.A. Yes，you mayB. No，you mustn'tC. Yes，you canD. No，you needn't【答案】B11.—Mum，may I go swimming now?—Yes，dear，but remember that you ________ go with your dad.A. mayB. canC. must【答案】C12.—Janet is sleeping at home.—She ________ be. I went for a walk with her just now.A. can'tB. mustn'tC. needn'tD. won't【答案】A13. —The tall man with glasses over there looks like our math teacher.—It ________ be him. He has gone abroad.A. may notB. mustn'tC. can'tD. needn't【答案】C14. —Robert，could you wash the car for me?—Yes，I________. I'm coming，dad.A. couldB. couldn'tC. canD. can't【答案】C15.—I don't care what people think.—Well，you ________. You're not alone in this world.A. canB. mayC. shouldD. will【答案】C16.—Must I prepare for the trip today?—No，you________ prepare for it today. You can do it tomorrow.A. needB. don't needC. needn't【答案】C17.—Life is becoming convenient with the Internet.—That's true! Almost everything ________ be done online.A. mustB. wouldC. shouldD. can【答案】D18. Look at the “No Photos” sign. You ________ take photos in the art museum.A. shouldB. canC. needn'tD. mustn't【答案】D19.—Have you got the results of the exam?—No. All we________ do now is to wait.A. mustB. canC. mayD. could【答案】B20. Life is very valuable，so we should always remember safety ________ come first wherever we are.A. canB. mustC. may【答案】B21.—Look! The man at the gate ________ be our headmaster. He is always standing there every morning.—No，it ________ be him. He is holding a meeting in the office now.A. must；can'tB. must；mustn'tC. can't；can'tD. can't；mustn't【答案】A22. To keep children safe，we ________ put the things like knives and medicine away in our house.A. mayB. shouldC. canD. might【答案】B23. 1 have travelled a lot. I ________ speak four languages.A. canB. mayC. mustD. need【答案】A24. This pair of glasses________ be Tony's. He's the only one who wears glasses.A. mustB. mightC. can't【答案】A25—The experiment seems difficult. Would you mind doing it for me?—Why not do it by yourself? I ________ show you how to do it if necessary.A. canB. needn'tC. mustD. shouldn't【答案】A26.—Is the man in the car John?—No，it ________ be him. He went to Xi'an on business yesterday.A. can'tB. mustC. mustn'tD. could【答案】A27. The tree is too high that I ________ touch the apples on it.A. can'tB. mustn'tC. shouldn'tD. needn't【答案】A28. —Have you decided where to spend your holiday?—Not yet. We ________ go to Beijing.A. mayB. mustC. shouldD. need【答案】A29.—We've got everything ready for the trip.—You mean I ________ bring anything with me，right?A. can'tB. mustn'tC. needn'tD. couldn't【答案】C30. Life is like riding a bicycle. To keep your balance，you ________ keep moving.A. canB. mustC. can'tD. mustn't【答案】B31. —It's said that nuclear power will be used to produce electricity in Xianning.—However，nuclear power ________ be very dangerous.A. canB. needC. mustD. should【答案】A32. —We've ordered too much food. I ________ eat any more.—Never mind. Let's take it home.A. can'tB. mustn'tC. needn'tD. shouldn't【答案】A33. When you are travelling，bring a map because it ________ help you.A. can'tB. mustn'tC. used toD. may【答案】D34.—Mum，I've signed for the box. What's in it?—I'm not sure. It ________ be a present from your uncle.A. needB. mustC. mayD. will【答案】C35.—Could I ride an electric bicycle to school，Mr. Wang?—No，you________. Students under the age of 16 aren't allowed to ride electric bicycles.A. couldn'tB. needn'tC. can'tD. shouldn't【答案】C36. Dogs ________ run through soccer games at the park. It's dangerous!A. shouldB. shouldn'tC. needD. needn't【答案】B。