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while taking exams.A.mustn’t B.shouldn’t C.needn’t D.can’t7.Our Chemistry teacher always tells us we ________ be too hardworking before the exams.A.mustn’t B.shouldn’t C.needn’t D.can’t8.Exercise is helpful but it ________ be regular (規(guī)律的) exercise.A.must B.may C.can D.need9.—Could I join you in the programme?—Sorry, you ________. You are too young.A.shouldn’t B.mustn’t C.can’t D.needn’t10.You39。t C.tell。初中英語(yǔ)常見的情態(tài)動(dòng)詞常見的情態(tài)動(dòng)詞附解析一、選擇題1.—Where is Tom? I am considering ________ him about the result of the exam.—Oh. You ________. He has known it already.A.to tell。 needn39。 shouldn39。 or C.working。t B.can39。 dares to climbB.dare to say。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.—Suzy described every detail of the accident just now.—Her memory ________ be pletely back.A.shall B.need C.must D.could24.—Is that Mr Zhou?—It ________ be him. He has gone to Beijing.A.can B.may C.can’t D.shouldn’t25.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.need26.— 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’t27.—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.need28.—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.must29.Hurry up, or we ________ miss the beginning of the film.A.should B.must C.may D.have to30.Sometimes smiles ________ be false, hiding other feelings like anger, fear or worry.A.should B.would C.must D.can31.A hardworking man ________ bee a great scientist, but a great scientist ________ be a hardworking man.A.can’t。 can32.Mr. Black ________ be at home now. He went abroad on vacation last Friday.A.can’t B.mustn’t C.needn’t D.shouldn’t33.—Could you tell me how to renew the library books?—With pleasure. You ________ e to our desk every time. It’s easier to renew them online.A.can’t B.mustn’t C.needn’t D.shouldn’t34.—The article says that a person’s animal sign decides his personality.—You ________ read it for fun, but don’t believe in that.A.can B.must C.