【正文】 40．C解析：C【詳解】句意：你數(shù)學(xué)考試再次得了A。t不應(yīng)該；mustn39。——當(dāng)然可以。但草莓必須放進(jìn)冰箱保鮮。故選D。can能、會(huì)；should應(yīng)當(dāng)；need需要；must必須、一定；根據(jù)空前“I’m sure”可推知，應(yīng)是“there must be，一定有”，表示肯定的推測(cè)?？疾榍閼B(tài)動(dòng)詞。根據(jù)Shall we go camping this summer holiday，可知，此空要對(duì)上文的建議表達(dá)自己的看法?！皀eedn39。can能，可以；should應(yīng)該；need需要；must必須。11．D解析：D【詳解】句意：你不應(yīng)該要求別人像你一樣來(lái)處理問(wèn)題。must必須；should應(yīng)該；may可能；need需要。mustn’t禁止；shouldn’t不應(yīng)該；needn’t不必；can’t不能。 should C．should。t3．—Hurry up, Jack! Let’s cross the road as fast as possible.—No, you ________. Don’t you see the light is still red?A．couldn’t B．wouldn’t C．mustn’t D．needn’t4．—The high school entrance examination is ing!— Yes, our teacher tells us we ________ be too careful while taking exams.A．mustn’t B．shouldn’t C．needn’t D．can’t5．—There is a knock at the door.—It ________ be my mom. She always es back home at this time.A．may B．may not C．must D．can’t6．—Will my car be ready by the end of the day?—It ________ be, sir. I’ll call if there’s any problem.A．must B．could C．shall D．should7．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．need8．—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．need9．—How do you like my new dress? —Well, if I ________ say, it is not suitable for you.A．may B．must C．have to D．should10．Exercise is helpful but it ________ be regular (規(guī)律的) exercise.A．must B．may C．can D．need11．You ________ require others to do with the problem like you. Everyone has his own way.A．mustn’t B．needn’t C．may not D．shouldn’t12．You39。 be against14．A lot of online resources ________ be used either by teachers at school or parents at home.A．can B．should C．need D．must15．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’t16．— Zoe, what do you think is the greatest advantage of shopping online?— At least I ______ spend much time going from shop to shop.A．shouldn’t B．can’t C．needn’t D．mustn’t17．Please don39。may可能；can’t不能；shouldn’t不應(yīng)該；mustn’t不允許；根據(jù)語(yǔ)境理解可知，此處表達(dá)的是“可能”，是一種不太肯定的推測(cè)，英語(yǔ)用may，故選A?？疾榍閼B(tài)動(dòng)詞辨析。根據(jù)“if I…say, it is not suitable for you.”可知，此處表示客觀情況驅(qū)使，因此用have to“不得不”。分析“…you will fail the exam”可知，如果不努力就會(huì)不及格，or“否則”符合語(yǔ)境，故選D?？疾榍閼B(tài)動(dòng)詞。18．C解析：C【詳解】句意：在我小的時(shí)候，我的父親會(huì)帶我去爬山，那離我們家不遠(yuǎn)。21．A解析：A【詳解】句意：——這篇文章說(shuō)，一個(gè)人的屬相決定他的性格。may可以，表達(dá)推測(cè)時(shí)，表示“可能”；should應(yīng)該；must必須，表達(dá)推測(cè)時(shí)，表示“一定”；need需要。may可能；will將會(huì)，表意愿；can能，可以；must必須。根據(jù)“For the safety of the passengers, objects