【正文】 怕在公共場合你必須如此。might也許；must必須；mustn’t禁止；may也許。他在這里已經(jīng)三天了。10．B解析：B【詳解】句意：——這周五郎朗會去藝術(shù)中心表演嗎？——是的。shouldn’t不應該；mustn’t禁止；can’t不能；needn’t沒必要；根據(jù)“You are too young.”可知，你太年輕了，由此說明你不能參加對方的計劃。你太年輕了。故選D。mustn’t不能，表禁止；shouldn’t不應該，表建議；needn’t不必，指沒有必要；can’t不能，表沒有能力或不許可。8．D解析：D【詳解】句意：我們的化學老師總是告訴我們考試前怎樣用功都不為過。must必須；should應該；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。故選C。mustn’t禁止；should應當；can會、能；needn’t不需要。我馬上把火撲滅。6．C解析：C【詳解】句意：——小心！火有時候會很危險。mustn’t禁止；shouldn’t不應該；needn’t不必；can’t不能。5．D解析：D【詳解】句意：——高中入學考試快到了! ——是的，我們老師告訴我們考試時再怎么仔細都不為過。couldn’t不能，不會；wouldn’t不愿意；mustn’t禁止，不要；needn’t不需要，不必。4．C解析：C【詳解】句意：——快點，杰克！讓那個我們盡快地過馬路。根據(jù)語境可知，此處表推測，故應用情態(tài)動詞may?？疾榍閼B(tài)動詞。故選B。shouldn’t不應該；needn’t不必，不需要；couldn’t不可能；wouldn’t不會?，旣惤杞o了我們一些錢。故選A。must必須；can能夠；may可以；could能夠。 to mend38．—Do we have to finish this today?—Yes, you ________ . Today is the last day.A．would B．may C．can D．must39．Sorry, smoking is not allowed here. If you ________ , you will be fined according to the rules.A．can B．will C．may D．must40．When people are waiting at the zebra crossing, cars and buses ________ wait and let them go first.A．must B．may C．can D．need【參考答案】一、選擇題1．A解析：A【詳解】句意：你必須重新寫報告，因為根本不允許有拼寫錯誤。 to be mendedC．don’t need。 can32．Cars ________ give way to walkers on some roads in Binhai, or the drivers will be fined.A．may B．will C．can D．must33．— The sandstorm in Beijing is so serious this year.— Yes, I wonder when we ________ worry about the air we breathe.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．shouldn’t D．needn’t35．— What do you think of the show yesterday?— Some of them were really good but others ________ be better.A．will B．must C．need D．can36．—________ I see your ID card? We have to check your personal information. —Sure. Here you are.A．May B．Need C．Should D．Must37．—I think they are enough. We ________ make so many chairs.—I don’t think so. Because nearly a quarter of them need ________.A．don’t need to。 must C．can’t。 to hold30．—Shall I tell him the change of the time right now?—I’m afraid you ________, otherwise he will be late for the meeting.A．can B．may C．must D．need31．A hardworking man ________ bee a great scientist, but a great scientist ________ be a hardworking man.A．can’t。 hold C．gather。ve discussed every detail of this plan and have got everything ready. But still something ________ go wrong. We still have to be very