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go wrong. We still have to be very careful.A.must B.should C.would D.may23.—Is that Mr Zhou?—It ________ be him. He has gone to Beijing.A.can B.may C.can’t D.shouldn’t24.Most young people like shopping online because they ________ spend much time going from shop to shop.A.needn’t B.can’t C.mustn’t D.shouldn’t25.—Will Jim e to Yangzhou for a holiday?—He ________e and it depends on how much homework he will have.A.may B.should C.must D.need26.I think all the students love the weekends because, to them, they ________ get up early on Saturdays or Sundays.A.mustn’t B.don’t need C.needn’t D.can’t27.—Is it usually warm in Yancheng in May??—Yes. But it _______ be rather cold sometimes.A.must B.should C.would D.can28.— Is the boy over there Tom? He often wears a jacket like that.— It _______ be him. He is absent from school today.A.needn’t B.shouldn’t C.mustn’t D.can’t29.Sorry, smoking is not allowed here. If you ________ , you will be fined according to the rules.A.can B.will C.may D.must30.Cars ________ give way to walkers on some roads in Binhai, or the drivers will be fined.A.may B.will C.can D.must31.You _________ smoke here! Look at the sign. It says No smoking.A.needn39。t D.mustn39。ll fetch them for you.A.May B.MustC.Should D.Need17.—Shall we go camping this summer holiday?—Nothing________be better.A.should B.could C.must D.may18.—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。t16.—Amy, I hear you39。t C.needn39。t15.—The high school entrance examination is ing!—Yes, our teacher tells us we _______ be too careful while taking exams.A.mustn39。t C.shouldn39。t make so much noise. I ________ hear the speaker very well.A.needn39。 and D.work。 and B.working。 to hold4.You ________ require others to do with the problem like you. Everyone has his own way.A.mustn’t B.needn’t C.may not D.shouldn’t5.— Why didn’t you tell it to me earlier?— Why ________ I? I want to have my own secret.A.can B.may C.should D.shall6.—Mum, why do I have to wear a mask before entering the supermarket?—For your health and safety, you ________ be too careful.A.shouldn’t B.can’t C.mustn’t D.needn’t7.—Will my car be ready by the end of the day?—It ________ be, sir. I’ll call if there’s any problem.A.must B