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根據(jù)“Yes.”和“He has been here for three days.”可知,此處表示非??隙ǖ耐茰y,故選B。 cut B. have。t C. needn39。t C. mustn39。 can39。can D. No,yourbefore needn39。t20. —You needn’t take a raincoat. It isn’t going to rain.—Well, I am not sure. It ________ do.A. should B. need C. might D. will21. I go now, or I39。t D. shouldn39。m afraid the doctor ________ see you now—he is busy. said the nurse to the patient.A. mustn39。m too tired to walk on.—I39。t D. can39。d better _______ the sevenstep hand washing method to keep healthy.A. following B. followed C. to follow D. follow16. 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’t17. “Mr. Lin, you’d better ________ too much meat. It’s not good for your health.” said the doctor.A. not to eat B. not eating C. not eat D. don’t eat18. —________ I park my car here?—No, you mustn’t. This is a “No parking” area.A. May B. Can C. Should D. Would19. Please don39。 might not C. Could。t26. —Look at the blue Tshirt on the table. Is it Sam’s? —No, it _______ his. His is white.A. can’t be B. may not be C. couldn’t be D. mustn’t be27. David, you please sweep the floor and take out the trash?A. could B. may C. might D. must28. —There is something wrong with my puter. _____ you help me fix it up?—No problem.A. Could B. Must C. Should D. May29. — Cross the road very carefully. Look both ways, or you_______ be knocked down.— Got it.A. might B. should C. must D. have to30. —MustIt’syou must B. Must。 mustn39。can B. performs。t B. mustn39。s highest peak.A. must B. can C. may D. should45. All the drivers________drive at low speed in this area when students are crossing the road.A. can B. can’t C. must D. mustn’t答案與解析1. B【解析】句意:——這周五郎朗會去藝術(shù)中心表演嗎?——是的。must一定,必須;may也許;can能夠;need需要。4. C【解析】句意:——托尼在那邊和我們的英語老師談話,不是嗎?——不,不可能是他。你不能錯過這個好機(jī)會。t不可能;mustn39。考查情態(tài)動詞表推測??疾榍閼B(tài)動詞詞義辨析。根據(jù)“Dangerous pets”和“won39。t不需要;shouldn39。may可能;could可能;can能夠,可能;must一定。考查had better的用法?!贬t(yī)生說?!癕ay I...?”的肯定回答是“Yes, you may.”,否定回答是“No,you mustn’t.”??疾榍閼B(tài)動詞辨析??赡軙掠臧??!?。由句中“take”“I’m sorry”判斷時態(tài)為一般現(xiàn)在時,且答語為否定形式,排除B、C,因為might是may的過去式,C項為肯定回答;could開頭的一般疑問句的答語要用can,排除A項??疾榍閼B(tài)動詞?!癕ust I…? ”的否定回答是“No,you needn39。can’t be不可能是;may not be可能不是;couldn’t be不能是;mustn’t be禁止。A. Could能,能夠;B. Must必須;C. Should應(yīng)該;D. May可以。might可能;should應(yīng)該;must必須;have to不得不;根據(jù)“be knocked down”及語境可知,此處指的是“可能會被撞到”,是一種可能的推測,英語是might,故選A。故選D。這很危險。故選C??疾榍閼B(tài)動詞。t禁止;wouldn39。38. C【解析】句意:——看!河邊有個人練太極?,旣惤杞o了我們一些錢。can’t不可能;mustn’t禁止,不許;needn’t不需要;shouldn’t不應(yīng)該;根據(jù)后句“I just saw him in the lab.”可知,這里表達(dá)的是“不可能”,是情態(tài)動詞的推測用法,故選A。t不應(yīng)該。43. B【解析】句意:十六歲的孩子們不應(yīng)該被允許開車。考查情態(tài)