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are too young.A.shouldn’t B.mustn’t C.can’t D.needn’t10.I ________ hear you clearly. Would you please repeat it?A.mustn’t B.can’t C.needn’t D.shouldn’t11.It’s of great importance to protect the environment. Each of us ________ take an active part in it.A.can B.may C.would D.should12.A lot of online resources ________ be used either by teachers at school or parents at home.A.can B.should C.need D.must13.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.We’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.may16.—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.—Shall we go camping this summer holiday?—Nothing________be better.A.should B.could C.must D.may19.My bike was broken yesterday,so I____walk home. A.might B.had to C.must D.could20.— ________ you give me a hand? I can’t put up the poster by myself.—No problem.A.Could B.Should C.Need D.Must21.Sometimes smiles ________ be false, hiding other feelings like anger, fear or worry.A.should B.would C.must D.can22.—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’t23.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.need24.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.—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.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’t28.—Is it usually warm in Yancheng in May??—Yes. But it _______ be rather cold sometimes.A.must B.should C.would D.can29.—Who is singing next door? It sounds like a young girl’s voice.—It _________ be Jane. But she seldom sings Eng