【正文】
k on?—I’m afraid you ________ in public. It is not only to protect yourself but also to protect others.A.must B.should C.can D.need12.— 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’t B.can’t C.needn’t D.mustn’t13.Please don39。t make so much noise. I ________ hear the speaker very well.A.needn39。t C.shouldn39。t14.—The high school entrance examination is ing!—Yes, our teacher tells us we _______ be too careful while taking exams.A.mustn39。t C.needn39。t15.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.will16.—Amy, I hear you39。ll fetch them for you.A.May B.MustC.Should D.Need17.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.should18.You ______ pay too much attention to your pronunciation, as it is so important in the oral(口頭的) test.A.shouldn’t B.mustn’t C.can’t D.needn’t19.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.—Where is Tom? I am considering ________ him about the result of the exam.—Oh. You ________. He has known it already.A.to tell。t B.telling。t C.tell。t D.told。t21.—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.Yes, we can。 of C.Yes, we must。 for22.— Listen! Tom ________ be listening to the music while doing his homework.— Let’s go upstairs to remind him to turn it off.A.should B.could C.would D.must23.—Must I finish all my homework today, Mum?—No, you ________, my dear. You can finish some tomorrow if you like.A.needn’t B.shouldn’t C.can’t D.mustn’t24.—Is that Mr Zhou?—It ________ be him. He has gone to Beijing.A.can B.may C.can’t D.shouldn’t25.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’t26.—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.need27.— 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’t28.You ________ pay too much attention to protecting yourself if you plan to go abroad.