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hairs.—I don’t think so. Because nearly a quarter of them need ________.A.don’t need to。 must C.can’t。t C.can D.may23.— 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.must24.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.—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.must26.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 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.A.mustn’t B.can’t C.shouldn’t D.needn’t29.Hurry up, or we ________ miss the beginning of the film.A.should B.must C.may D.have to30.— Will dad arrive home at 6 o’clock to have dinner with us this evening?— I think he will, but he ________ not. Sometimes he works extra hours.A.can B.must C.need D.may31.A hardworking man ________ bee a great scientist, but a great scientist ________ be a hardworking man.A.can’t。 for22.You _________ smoke here! Look at the sign. It says No smoking.A.needn39。 of C.Yes, we must。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。t D.told。t C.tell。t B.telling。get used to it in winter.A.can’t B.needn’t C.mustn’t D.shouldn’t19.—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.would20.—Where is Tom? I am considering ________ him about the result of the exam.—Oh. You ________. He has known it already.A.to tell。t D.mustn39。t B.can39。 be against11.—Could I join you in the programme?—Sorry, you ________. You are too young.A.shouldn’t B.mustn’t C.can’t D.needn’t12.A lot of online resources ________ be used either by teachers at school or parents at home.A.can B.should C.need D.must13.It’s amazing that the pen ________turn voice into text