【正文】
an’t put up the poster by myself.—No problem.A.Could B.Should C.Need D.Must7.Exercise is helpful but it ________ be regular (規(guī)律的) exercise.A.must B.may C.can D.need8.You ________ write the report again because spelling mistakes are not allowed at all.A.must B.can C.may D.could9.Hurry up, or we ________ miss the beginning of the film.A.should B.must C.may D.have to10.When you visit a museum, some instructions should ________ and we’d better not ________ them.A.pay attention to。 be against B.be paid attention。 against D.be paid attention to。t make so much noise. I ________ hear the speaker very well.A.needn39。t C.shouldn39。t16.—The high school entrance examination is ing!—Yes, our teacher tells us we _______ be too careful while taking exams.A.mustn39。t C.needn39。t17.Will you be back early this evening?Yes, but I ________ be a little late. Our boss sometimes has extra work for us.A.may B.must C.need D.will18.When I was young, my father ___________ take me to climb the hill which was not far from our house.A.may B.must C.would D.should19.Dr. Zhong Nanshan once said, To prevent the spread of this disease, we________never be too careful.A.can B.may C.must D.should20.You39。 and B.working。 and D.work。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.—Is that Mr Zhou?—It ________ be him. He has gone to Beijing.A.can B.may C.can’t D.shouldn’t24.Never throw objects from the building. Even a small object ________ cause serious injuries, or death, when dropped from a great height.A.must B.should C.may D.need25.— 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’t26.—In China, many parents plain that their children have to stay up late to do the homework. —Don’t worry. The government has realized the problem. I’m sure there ________ be good news soon.A.can B.should C.need D.must27.—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.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.should