PeriodFiveGrammarandWritingⅠ.用may，might，mayhave，mighthave及所给动词的适当形式填空1．Scientistssayit________________(be)fiveorsixyearsbeforeitispossibletotestthismedicineonpatients.2．John________________(phone)tonight.Idon’twanttogooutincasehephones.3．Janewalkedawayfromthediscussionyesterday.Otherwise，she________________(say)somethingshewouldregretlater.4．—Excuseme.IsthistherightwaytotheSummerPalace?—Sorry，Iamnotsure.Butit________________(be)．5．Accordingtoyourwords，you________________(know)aboutit.Ⅱ.完成句子1．You________________(不必)doitbyyourself.2．Theboy________________(常常)sittherehourafterhourlookingatthetrafficgoby.3．________(可以)Iuseyourcomputer?4．Youarehisteacher.You________(应该)takecareofhim.5．He______________(不可能)havebeentothatcity.Ⅲ.单项填空1．Jackdescribedhisfather，who________abraveboymanyyearsago，asastrongwilledman.A．wouldbeB．wouldhavebeenC．mustbeD．musthavebeen2．I________havewatchedthatmovie—it’llgivemehorribledreams.A．shouldn’tB．needn’tC．couldn’tD．mustn’t3．Mark________havehurried.Afterdrivingattopspeed，hearrivedhalfanhourearly.A．needn’tB．wouldn’tC．mustn’tD．couldn’t4．Wedidn’tfinishtheworkintime.You________ussinceyouwerethere.A．mighthelpB．shouldhelpC．couldhavehelpedD．musthavehelped5．Mywalletisnowheretobefound.I________itwhenIwasonthebus.A．mustdropB．shouldhavedroppedC．musthavedroppedD．haddropped6.________yourhandbaginyouroffice?A．ShouldyouhaveleftB．MustyouhaveleftC．CouldyouhaveleftD．Needyouhaveleft7．Thatcarnearlyhitme；I________.A．mightbekilledB．mighthavebeenkilledC．maybekilledD．maybeenkilled8．You________gorightnowifyouwant，butIthink，you________，becausewehaveenoughtime.A．may；needn’tB．must；needn’tC．should；mayD．may；must9．I________havecomeearlier，foryou________haveneededsomehelp.A．might；shouldB．should；mightC．must；shouldD．must；might10．—Whereismydictionary?IrememberIputithereyesterday.—You________itinthewrongplace.A．mustputB．shouldhaveputC．mightputD．mighthaveput11．We________haveprovedgreatadventurers，butwehavedonethegreatestmarchevermadeinthepasttenyears.A．needn’tB．maynotC．shouldn’tD．mustn’t12．—What’sthematterwithPeter?—Hewasseencryingwhenhewascomingoutoftheteacher’soffice.He________bytheteacher.A．maybescoldedB．shouldhavebeenscoldedC．mustbescoldedD．musthavebeenscolded13．Whatapity！Consideringhisabilityandexperience,he________better.A．needhavedoneB．musthavedoneC．canhavedoneD．mighthavedone14．—Ican’tfindmysunglassesanywhere.—You________havelostitwhileshopping.A．mayB．canC．shouldD．would15．Oh，I’mnotfeelingwellinthestomach.I________somuchfriedchickenjustnow.A．shouldn’teatB．mustn’thaveeatenC．shouldn’thaveeatenD．mustn’teatⅣ.阅读理解Compulsive(强迫的)shoppersmayhaveanewpsychologicalexcusetoblamefortheirwildshopping.PsychologistsattheUniversityofCanterburyinNewZealandarestudyingthe“shoptillyoudrop”habitasabehavioraldisordersimilartocompulsiveeating.Compulsiveshoppersfrequentlybuymorethantheycanaffordormorethantheyneed，anditcausesthemdistress.“Itbecomesaproblemwhenyouareoutofcontrol，”psychologylecturerNevilleBlampiedsaid.Whenyouarefeelingbadandblue，whatdoyoudo?Somepeopleeatchocolatecakeandicecream.Somepeopletakethecreditcardandgoouttotheshop.Bankmanagersunderstandtheproblembecausetheyhavetodealwithpeoplewhohavetobepersuade...
