情态动词的用法一、选择题1.—Have you decided to take up teaching as career after graduation? —I ________ go abroad for further education instead. But it depends.A.mustB.shouldC.mayD.shall2.Don’t cross the road until the traffic lights turn green. A car_______hit you.A.needB.mayC.shouldD.must3.—Be careful! Fire ________ be dangerous sometimes. —OK. I will put it out right away.A.mustn’tB.shouldC.canD.needn’t4.We shouldn’t throw any objects from the building. Even a small object ________ cause serious injuries or death, when dropped from a great height.A.mustB.shouldC.mayD.need5.Exercise is helpful but it ________ be regular (规律的) exercise.A.mustB.mayC.canD.need6.You'd better __________ hard from now on, __________ you will fail the exam.A.work; andB.working; orC.working; andD.work; or7.—Where is Tom? I am considering ________ him about the result of the exam.—Oh. You ________. He has known it already.A.to tell; can'tB.telling; needn'tC.tell; mustn'tD.told; shouldn't8.When you visit a museum, some instructions should ________ and we’d better not ________ them.A.pay attention to; be againstB.be paid attention; againstC.be paid attention to; againstD.be paid attention to; be against9.—The high school entrance examination is coming!— Yes, our teacher tells us we ________ be too careful while taking exams.A.mustn’tB.shouldn’tC.needn’tD.can’t10.— Zoe, what do you think is the greatest advantage of shopping online?— At least I ______ spend much time going from shop to shop.A.shouldn’tB.can’tC.needn’tD.mustn’t11.—Hurry up, Jack! Let’s cross the road as fast as possible.—No, you ________. Don’t you see the light is still red?A.couldn’tB.wouldn’tC.mustn’tD.needn’t12.Please don...