（带答案）高考英语词法之情态动词必须掌握几道典型题单选题1、—You_______better,butyouweretoocareless.—Sorry,Mr.Smith.A．musthavedoneB．canhavedoneC．mayhavedoneD．shouldhavedone2、IfMikecomethisevening,Iwouldaskhimtohelpmedealwiththeproblem.A．shouldB．couldC．wouldD．might3、Water________toourplanetduringthefirsttwomillionyearsafterthebirthofthesolarsystem,astudyhasfound.A．mightbebroughtB．mayhavebeenbroughtC．couldbebroughtD．shouldhavebeenbrought4、--Can'tyoustayalittlelonger?--It'sgettinglate.Ireally________gonow.Mydaughterishomealone.A．canB．couldC．mightD．must5、There_______belessriskofclimbingtothesummitsincewehavemadeadequatepreparationsforit.A．shouldB．shallC．needD．would6、Ifcustomersthinktheservicesareworthwhile,Idobelievemanyofthem________acceptandpayforthem.A．hadbetterB．maywellC．mayaswellD．may7、Whenhewasthere,he_______gotothatteahouseatthecornerwhenhewasfreeeveryday.A．hadbetterB．mightC．wouldD．should18、________youhelpmemovethetableupstairs?A．MustB．ShouldC．CouldD．Need9、FromherknowledgeofDouglas'shabits，shefeelssurethattheattackerlastnight___________Douglas.A．mustn'thavebeenB．can'thavebeenC．shouldn'thavebeenD．wouldn'thavebeen10、It________betheheadmaster.HehasgonetoAmerica.A．mustn’tB．can’tC．maynotD．wouldn’t11、MotherTeresa_______greatcontributiontotheworldpeace,_______shewasawardedtheNobelPricein1979.A．mighthavemade,becauseB．musthavemade,forC．couldhavemake,sinceD．shouldhavemake,as12、Basedontheagreement,allpayments____bemadebytheendofthemonth.A．mayB．canC．shallD．will13、Skillslikecriticalthinkingandanalysis________befoundontheInternet,becausetheymustbeacquiredinthecontextoffacts.A．can’tB．needn’tC．mustn’tD．shouldn’t14、—Where_____Maryhaveputtheemptybottles?—She_____themaway.Theymustbesomewhere.A．can;mustn'thavethrownB．must;needn'thavethrownC．could;couldn'thavethrown2D．should;mightnothavethrown15、Harryisfeelinguncomfortable.He________toomuchatthepartylastnight.A．hastodrinkB．musthavedrunkC．couldbedrunkD．needstodrink