【正文】 考查情態(tài)動詞辨析。根據(jù)“Today is the last day.”可知，必須今天完成，故選D?？疾榍閼B(tài)動詞。我們不需要做這么多椅子。may可以，表請求或許可；need需要，指有必要；should應該，表建議；must必須，強調(diào)主觀意愿。 考查情態(tài)動詞。政府已經(jīng)意識到這個問題?？疾榍閼B(tài)動詞表推測，can能，會；must必須；need需要；may可能。must必須；may可能；can能夠；need需要。根據(jù)句意可知，年輕人喜歡網(wǎng)上購物，是因為他們不必把時間花在來回逛商店上。25．C解析：C【詳解】句意：切勿將物體從建筑物中扔出去。考查情態(tài)動詞用法。must必須；can能夠；may可能；need需要。他在這里已經(jīng)三天了。故選B。He may be at home. 他或許在家（稍有那么一點兒可能）。C. would 將，將會（will 的過去式）。t不需要；can39。考查情態(tài)動詞辨析。根據(jù)“Would you please repeat it?”可知，我不能聽清，所以需要對方重復，故選B。故選C。考查情態(tài)動詞。故選A。must必須，一定，表推測時，語氣最肯定；could可能，表推測時，其意很不肯定；shall將，會；should應當，應該，表示推測時，其語氣比較肯定，它通常指非?？赡艿氖拢凳酒渫茰y有一定的事實依據(jù)或者合乎常理。6．C解析：C【詳解】句意：——有人敲門?？疾榍閼B(tài)動詞辨析。3．D解析：D【詳解】句意：你不應該要求別人像你一樣來處理問題。t禁止；shouldn39。 has to38．—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．—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．need【參考答案】一、選擇題1．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。 can32．—In China, many students have to stay up late to do their homework.—No worries. The government has realized the problem. I’m sure there ________ be good news soon.A．can B．should C．must D．need33．—Who’s the man over there? Is that Mr. Black? —It ________ be him. Mr. Black is much taller than that man.A．may B．must C．can’t D．mustn’t34．—________ I see your ID card? We have to check your personal information. —Sure. Here you are.A．May B．Need C．Should D．Must35．You ________ drive after drinking alcohol(酒). It’s against the law.A．mustn’t B．needn’t C．couldn’t D．wouldn’t36．—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。t17．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．may18．—Shall we go camping this summer holiday?—Nothing________be better.A．should B．could C．must D．may19．—Will your mother be at home this Saturday?—Hard to say. She _______go to the countryside to see my grandparents.A．must B．may C．can D．would20．— Is Lang Lang going to perform at Art Center this Friday?— Yes. It ________ be him. He has been here for three days.A．might B．must C．mustn’t D．may21．—Mum, I bought some strawberries on my way home.—Oh, you’re so sweet. But the strawberries ________ be put into the fridge for freshness.A．must B．can C．may D．need22．According to the rule, used batteries ________