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7.Our Chemistry teacher always tells us we ________ be too hardworking before the exams.A.mustn’t B.shouldn’t C.needn’t D.can’t8.Exercise is helpful but it ________ be regular (規(guī)律的) exercise.A.must B.may C.can D.need9.—Could I join you in the programme?—Sorry, you ________. You are too young.A.shouldn’t B.mustn’t C.can’t D.needn’t10.When you visit a museum, some instructions should ________ and we’d better not ________ them.A.pay attention to。 hold C.gather。人教版高考英語(yǔ)中的情態(tài)動(dòng)詞一、選擇題1.If you buy your mum an iRobot floor cleaner, she ________ sweep the floor every day.A.can’t B.mustn’t C.needn’t D.shouldn’t2.Don’t cross the road until the traffic lights turn green. A car_______hit you.A.need B.may C.should D.must3.To avoid ________, we’d better ________ the parents’ meeting online.A.gather。 hold B.gathering。 holding D.to gather。 be against B.be paid attention。 against D.be paid attention to。 dares to climbB.dare to say。 dares climbD.dare to say。get used to it in winter.A.can’t B.needn’t C.mustn’t D.shouldn’t18.—Will your mother be at home this Saturday?—Hard to say. She _______go to the countryside to see my grandparents.A.must B.may C.can D.would19.Think twice before making a decision, or you __________ get into trouble.A.may B.can39。t D.mustn39。 can39。 needn39。 mustn39。 shouldn39。ve discussed every detail of this plan and have got everything ready. But still something ________ go wrong. We still have to be very careful.A.must B.should C.would D.may23.—Suzy described every detail of the accident just now.—Her memory ________ be pletely back.A.shall B.need C.must D.could24.— Mum, why do I have to wash hands so many times a day?—You ________ be too careful, for your health.A.can’t B.mustn’t C.may not D.needn’t25.—Is it usually warm in Yancheng in May??—Yes. But it _______ be rather cold sometimes.A.must B.should C.would D.can26.You ________ pay too much attention to protecting yourself if you plan to go abroad.A.mustn’t B.can’t C.shouldn’t D.needn’t27.When people are waiting at the zebra crossing, cars and buses ________ wait and let them go first.A.must B.may C.can D.need28.—Shall I tell him the change of the time right now?—I’m afraid you ________, otherwise he will be late for the meeting.A.can B.may C.must D.need29.—Who is singing next door? It sounds like a young girl’s voice.—It _________ be Jane. But she seldom sings English songs.A.need B.must C.may D.can30.—Must we stop the Japanese government discharging nuclear waste water (排放核污水) into the Pacific Ocean?—________. Because everyone should protect our earth and it is bad ________ us to eat the polluted seafood and drink the waste water.A.Ye