【正文】 in my city in March.A．must B．can C．would D．should12．— ________ you give me a hand? I can’t put up the poster by myself.—No problem.A．Could B．Should C．Need D．Must13．Exercise is helpful but it ________ be regular (規(guī)律的) exercise.A．must B．may C．can D．need14．—Where is Tom? I am considering ________ him about the result of the exam.—Oh. You ________. He has known it already.A．to tell。 can39。 needn39。 mustn39。 shouldn39。t make so much noise. I ________ hear the speaker very well.A．needn39。t C．shouldn39。t19．My bike was broken yesterday，so I____walk home． A．might B．had to C．must D．could20．— Why didn’t you tell it to me earlier?— Why ________ I? I want to have my own secret.A．can B．may C．should D．shall21．—Is it usually warm in Yancheng in May??—Yes. But it _______ be rather cold sometimes.A．must B．should C．would D．can22．— What is that young lady’s job?— She ________ be a nurse, I’m not sure.A．must B．may C．need D．would23．You _________ smoke here! Look at the sign. It says No smoking.A．needn39。t C．can D．may24．— 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．must25．—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’t26．We39。 can B．may not。 must D．may not?？疾榍閼B(tài)動詞辨析。根據(jù)“I’ll call if there’s any problem”可知，是說話人按照事實有一定依據(jù)的推測，用should符合語境。2．B解析：B【詳解】句意：在交通燈變綠之前不要橫穿馬路?？疾榍閼B(tài)動詞。分析句意可知，交通燈變綠之前橫穿馬路，汽車有可能會撞到你，故此處應(yīng)用may表推測。3．A解析：A【詳解】句意：——我不在乎別人怎么想。有些意見值得權(quán)衡。should應(yīng)該；might可能；could能；would將會，根據(jù)前面的“I don’t care what people think”和后面的“Some opinions are worth weighing”可知，應(yīng)該是“你應(yīng)該在乎”，故選A。今天是最后一天。would將；may也許；can可能，可以；must必須。5．D解析：D【詳解】句意：對不起，這里不允許抽煙?？疾榍閼B(tài)動詞辨析。根據(jù)主句“you will be fined according to the rules.”可知，應(yīng)是如果你一定要抽的話。6．C解析：C【詳解】句意：——我可以加入你的計劃嗎？——對不起，你不能?？疾榍閼B(tài)動詞。故選C。每個人都有自己的方法。mustn’t不許，表禁止；needn’t 不必；may not 也許不；shouldn’t不應(yīng)該；根據(jù)“ Everyone has his own way”每個人都有自己的方法；可知，此處指“不應(yīng)該如此要求別人”。8．C解析：C【詳解】句意：——你覺得我的新裙子怎么樣？ ——好吧，如果我不得不說的話，它不適合你。may可以；must必須（有義務(wù)、有必要）；have to不得不（客觀情況驅(qū)使）；should應(yīng)該。故選C。別擔(dān)心。我相信很快就會有好消息。can能、會；should應(yīng)當(dāng)；must必須、一定；need需要。故選C。——好的?？疾榍閼B(tài)動詞辨析。根據(jù)前句“Be careful!”可推知，應(yīng)是說火有時候會很危險，故情態(tài)動詞應(yīng)用can。11．B解析：B【詳解】句意：——這些迎春花多么漂亮??！——是的，在三月份在我的城市這些金黃色的花可以廣泛地看到。must必須；can能，可以；would將會，愿意；should應(yīng)該。12．A解析：A【詳解】句意：——你能幫我一把嗎？我一個人貼不起海報?？疾榍閼B(tài)動詞辨析。根據(jù)“I can’t put up the poster by my