【正文】 的工作要做。我們的老板有時有額外的工作要做。故選B。根據(jù)上文“Please don39?？疾榍閼B(tài)動詞辨析。12．B解析：B【詳解】句意：請不要發(fā)出那么多噪音。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”。每個人都有自己的方法。此句是說這支筆能夠把聲音轉(zhuǎn)換成文字，表示一種能力，應(yīng)用can，故選A?？疾榍閼B(tài)動詞詞義辨析。故選B。mustn’t禁止，不要；needn’t不必，沒有必要。你可以等好點再去。故選B。consider doing ，第一空用telling；再由“He has known it already.”可知他已經(jīng)知道考試結(jié)果，不必再告訴他，第二空用needn39。t禁止；shouldn39。t不可能；needn39。考查非謂語動詞和情態(tài)動詞。你不必。8．B解析：B【詳解】句意：——湯姆在哪里？我正在考慮告訴他考試的結(jié)果。根據(jù)“spelling mistakes are not allowed at all”可知，拼寫錯誤是不被允許的，所以報告必須重寫?？疾榍閼B(tài)動詞。故選A。must一定，必須；may也許；can能夠；need需要。6．A解析：A【詳解】句意：鍛煉是有幫助的但是它必須是有規(guī)律的鍛煉?？疾榍閼B(tài)動詞。5．C解析：C【詳解】句意：——爸爸，我們一定要等綠燈嗎？——是的，恐怕我們必須這樣做。must必須；should應(yīng)該；may可能；need需要。當從很高的高度掉落時，即使一個小的物體可能導致嚴重的傷害或死亡。根據(jù)“Must the children leave at six tomorrow morning?”可知，此處為Must引導的一般疑問句，否定答語要用need’t或don’t have to，故選B?？疾榍閼B(tài)動詞辨析。3．B解析：B【詳解】句意：——孩子們明天早上六點必須離開嗎？ ——不，他們不必?？疾榍閼B(tài)動詞。根據(jù)“If you buy your mum an iRobot floor cleaner”可知，買了掃地機器人，就不需要人工每天掃地了，故選C?？疾榍閼B(tài)動詞辨析。 holding D．to gather。 hold B．gathering。t B．mustn39。ll fetch them for you．A．May B．MustC．Should D．Need16．My bike was broken yesterday，so I____walk home． A．might B．had to C．must D．could17．— Ready? Let’s get started, Martin.— Swimming? I just ________t13．Will you be back early this evening?Yes, but I ________ be a little late. Our boss sometimes has extra work for us.A．may B．must C．need D．will14．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．may15．—Amy, I hear you39。t C．shouldn39。t make so much noise. I ________ hear the speaker very well.A．needn39。mustn’t D．needn’t I。needn’t B．needn’t I。 shouldn39。 mustn39。 needn39。 can39。t D．mustn39。外研版中考英語情態(tài)動詞用法總結(jié)一、選擇題1．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’t2．Think twice before making a decision, or you __________ get into trouble.A．may B．can39。t C．shouldn39。t3．—Must the children leave at six tomorrow morning?—No, they _______. They can have more time to get ready for the trip.A．can’t B．needn’t C．mustn’t D．may not4．We shouldn’t throw any 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．need5．—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．need6．Exercise is helpful but it ________ be regular (規(guī)律的) exercise.A．must