【正文】
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.need9.—Who’s singing next door? Is it Miss Wang?—It ________ be her. She’s having the board meeting.A.can’t B.shouldn’t C.mustn’t D.needn’t10.Exercise is helpful but it ________ be regular (規(guī)律的) exercise.A.must B.may C.can D.need11.We teenagers ________ have dreams. With dreams and hard work, anything amazing ________ be created.A.may。 should C.should。 has to12.—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。t13.It’s amazing that the pen ________turn voice into text with few mistakes.A.can B.must C.may D.need14.If you buy your mum an iRobot floor cleaner, she ________ sweep the floor every day.A.can’t B.mustn’t C.needn’t D.shouldn’t15.— 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’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.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.may18.—Shall we go camping this summer holiday?—Nothing________be better.A.should B.could C.must D.may19.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.—Dad, must we wait until the light bees green? —Yes, I am afraid we ________. That’s the traffic rule.A.may B.can C.have to D.need21.Sometimes smiles ________ be false, hiding other feelings like anger, fear or worry.A.should B.would C.must D.can22.—Suzy described every detail of the accident just now.—Her memory ________ be pletely back.A.shall B.need C.must D.could23.—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.need24.—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.must25.—Is it usually warm in Yancheng in May??—Yes. But it _______ be rather cold sometimes.A.must B.should C.would D.can26.— Is the boy over there Tom? He often wears a jacket like that.— It _______ be him. He is absen