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Why ________ I? I want to have my own secret.A.can B.may C.should D.shall6.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.need7.Our Chemistry teacher always tells us we ________ be too hardworking before the exams.A.mustn’t B.shouldn’t C.needn’t D.can’t8.—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.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’t10.—Where is Tom? I am considering ________ him about the result of the exam.—Oh. You ________. He has known it already.A.to tell。 can39。 needn39。 mustn39。 shouldn39。t make so much noise. I ________ hear the speaker very well.A.needn39。t C.shouldn39。t14.The boy is very brave.I ________ he ________ the tall tree.A.dare say。 dare climbingC.dare saying。 dares climbed15.—The high school entrance examination is ing!—Yes, our teacher tells us we _______ be too careful while taking exams.A.mustn39。t C.needn39。t16.—Amy, I hear you39。ll fetch them for you.A.May B.MustC.Should D.Need17.My bike was broken yesterday,so I____walk home. A.might B.had to C.must D.could18.—Would you please________in that way? That’s not safe!—Sorry. I won’t do it any more.A.not driving B.not to drive C.no driving D.not drive19.— Ready? Let’s get started, Martin.— Swimming? I just ________ of B.No, we mustn’t。 for D.No, we needn’t。needn’t B.needn’t I。mustn’t D.needn’t I。 hold B.gathering。 holding D.to gather??疾榍閼B(tài)動(dòng)詞詞義辨析。根據(jù)“be used either by teachers at school or parents at home.”可知,指很多在線資源既可以供學(xué)校的老師使用,也可以供家長(zhǎng)在家使用。故選A?,旣惤杞o了我們一些錢(qián)。shouldn’t不應(yīng)該;needn’t不必,不需要;couldn’t不可能;wouldn’t不會(huì)。故選B。 考查情態(tài)動(dòng)詞。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”。4.B解析:B【詳解】句意:——孩子們明天早上六點(diǎn)必須離開(kāi)嗎? ——不,他們不必。考查情態(tài)動(dòng)詞辨析。根據(jù)“Must the children leave at six tomorrow morning?”可知,此處為Must引導(dǎo)的一般疑問(wèn)句,否定答語(yǔ)要用need’t或don’t have to,故選B。 考查情態(tài)動(dòng)詞。根據(jù)“Why didn’t you tell it to me earlier?”及“I want to have my own secret.”可知,此處應(yīng)該是“我為什么應(yīng)該告訴你?”故選C。當(dāng)從很高的高度掉落時(shí),即使一個(gè)小的物體可能導(dǎo)致嚴(yán)重的傷害或死亡。must必須;should應(yīng)該;may可能;need需要。7.D解析:D【詳解】句意:我們的化學(xué)老師總是告訴我們考試前怎樣用功都不為過(guò)。mustn’t不能,表禁止;shouldn’t不應(yīng)該,表建議;needn’t不必,指沒(méi)有必要;can’t不能,表沒(méi)有能力或不許可。故選D。這是交通規(guī)則。may可能;can可以;have to必須;need需要;根據(jù)“must we wait until the light bees green”及“That’s the traffic rule”可知,每個(gè)人都必須要遵守交通規(guī)則,應(yīng)用ha