【正文】 er.A．should B．could C．must D．may16．My bike was broken yesterday，so I____walk home． A．might B．had to C．must D．could17．Dr. Zhong Nanshan once said, To prevent the spread of this disease, we________never be too careful.A．can B．may C．must D．should18．Think twice before making a decision, or you __________ get into trouble.A．may B．can39。 for29．—Mum, why do I have to wear a mask before entering the supermarket?—For your health and safety, you ________ be too careful.A．shouldn’t B．can’t C．mustn’t D．needn’t30．For the safety of the passengers, objects like guns ________ be carried on board.A．may not B．needn’t C．might not D．mustn’t31．— What is that young lady’s job?— She ________ be a nurse, I’m not sure.A．must B．may C．need D．would32．—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．need33．— 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．can34．—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．need35．—May I have some wine to drink?—No, you ________. You have to drive home later.A．mustn’t B．needn’t C．can’t D．may not36．—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。 has to38．—Who’s singing next door? Is it Miss Wang?—It ________ be her. She’s having the board meeting.A．can’t B．shouldn’t C．mustn’t D．needn’t39．Sorry, smoking is not allowed here. If you ________ , you will be fined according to the rules.A．can B．will C．may D．must40．You’ve got an A in the maths test again. You ________ be good at it.A．can B．may C．must D．should【參考答案】一、選擇題1．C解析：C【詳解】句意：——你決定畢業(yè)后從事教書(shū)工作了嗎？——我可能出國(guó)深造。shouldn’t不應(yīng)該；needn’t不必，不需要；couldn’t不可能；wouldn’t不會(huì)?！玫摹？疾榍閼B(tài)動(dòng)詞辨析。考查情態(tài)動(dòng)詞和連詞辨析。9．C解析：C【詳解】句意：——你為什么不早點(diǎn)告訴我？ ——我為什么應(yīng)該告訴你？我想要保守我自己的秘密。11．B解析：B【詳解】句意：——今天我必須去上學(xué)，是嗎？——不，你不必。做情態(tài)動(dòng)詞時(shí)，無(wú)人稱與數(shù)的變化，且空后用動(dòng)詞原形；做實(shí)意動(dòng)詞時(shí)，有人稱和數(shù)的變化，用dare to do sth?？疾榍閼B(tài)動(dòng)詞。故選B?！笨疾榍閼B(tài)動(dòng)詞?？疾榍閼B(tài)動(dòng)詞。故空格處的意思是可以，能夠。考查情態(tài)動(dòng)詞辨析。根據(jù)此處表示推測(cè)，應(yīng)該用may表示可能性，故選D。must必須；should應(yīng)該；may可能；need需要。must必須；may可能；can能夠；need需要。29．B解析：B【詳解】句意：——媽媽，為什么我進(jìn)超市前要戴口罩？ ——為了你的健康和安全，你再小心也不為過(guò)。根據(jù)“For the safety of the passengers, objects like guns…be carried on board.”可知，禁止攜帶槍支，故選D。must必須；can能夠；may可能；need需要。別擔(dān)心。你一會(huì)兒得開(kāi)車回家。因?yàn)閷⒔姆种恍枰蘩?。第一個(gè)空表示“應(yīng)該”，用should；第二個(gè)空表示能力，用can。t禁止；needn39。故選D