| 1.Bytheyear2050,theproblemofpollution________. |
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| 2.Doyoumindmytakingthisseat?--__________. |
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| 3.Isoldmyoldcarto_______metobuyabettercomputer. |
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| 4.Thegovernmentshouldtake_________toprotecttheenvironment. |
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| 5.Ahumanegenehasbeenintroducedintopigsto_______themgrowmorequickly. |
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| 6.Tomorrowwillbesunny.Howabouthavingapicnicinthepark?--_________________ButIhavetopreparefortomorrow'sexam. |
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| 7.Therewere_________studentsintheclass___________theteachercouldn’ttalktothemall. |
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| 8.Somewhales______livemanyyears |
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| 9.It'ssunnytoday.Howaboutgoinghiking?--____ |
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| 10.IlostmyMP4onmywayhomethisafternoon.--_________!Youmustbecarefulnexttime. |
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| 11.Nobodywillbecomeaherowithoutthehelpofothers.--That'strue.____________. |
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| 12.Excuseme,whichisthewaytothepostoffice?--Sorry,Idon'tknow.Youcanaskthepolicemanoverthere.--________________ |
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| 13.当你看到你的朋友脸色很不好看时，你会问_____________来关心她。 |
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| 14.About50countriesaresaid______Englishastheirofficiallanguage. |
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| 15.当你在公共汽车上不小心踩了他人的脚时，你应该说_____________以示道歉. |
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| 16.______Chinese________thepredominantInternetlanguageby2050. |
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| 17.PeoplelearnEnglishinordertobenefit______developmentsintechnology. |
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| 18.Hello!MayIspeaktoMary,please?--____.I'llgoandgether. |
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| 19.Atthemomentover1billionpeoplearesaid_____Englishasasecondlanguage. |
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| 20.Englishis_______important_________manypeoplearelearningit. |
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| 21.Lisa,Iwillvisitthe2010WorldExpo（世博会）withmyparentsduringthesummerholiday.--________. |
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| 22.It________thatRainbowWarriorhasledasuccessfulcampaign. |
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| 23.It'sreallyniceofyoutohelpme!--_________ |
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| 24.Ihad_________homeworktodo______Icouldn’tgooutintheevening. |
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| 25.Thespermwhale_________divedeeperthananyothercetacean. |
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| 26.E-booktechnology______youtocarryaroundawholelibraryinasmallunit. |
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| 27.Icheckmyemails________threehours. |
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| 28.________thelessonsareterrible. |
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| 29.I________learnEnglishtogetabetterjob. |
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| 30.Hi!Haven'tseenyouforages?Youlookfine.--_________.Youlookwell,too. |
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| 31.Shallweseethemovietodayortomorrow?--_____________It'sallthesametome. |
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| 32.Ifyoumakeamistake,justsay,"___________." |
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| 33.Manylanguagesare________todieout. |
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| 34.Itcan________totastedifferentortolookdifferent. |
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| 35.Comebackquickly,Tom.--Sure,Mum._______. |
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| 36.Thisisequivalent________eatingafullygrownAfricanelephanteveryday. |
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| 37._______hashisowncomputer. |
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| 38.LiuXianghadtogiveuptheracebecauseofhisfoot.--_________ |
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| 39.CanyoucometomypartyonSaturdayafternoon?--___________.I'llhavetohelpmyparents. |
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| 40.就餐时，朋友问你要不要加点汤，而你已吃饱，你会说_____________来委婉拒绝. |
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