完成句子。1.北京因万里长城而著名。Beijing_____________theGreatWall.2.这条河是个钓鱼的好地方。Thisriverisa_______________fishing.3.我三天前听说过这件事。I_________this_______________.4.自从2000年起，他就在上海工作了。He__________inShanghai______2000.isfamousforgoodplacetogoheardofthreedaysagohasworkedsincedreamvi.&vt.做梦，梦想dreamabout/of想象；梦想e.g.Doyouoftendreamatnight?你在夜里经常做梦吗？Isometimesdreamaboutmyparents.我有时梦见我的父母。Idreamofbecomingateacher.我一心想当个教师。passportn.护照Daniel两年前去了北京。DanielwenttoBeijingtwoyearsago.Daniel已经在北京居住两年了。DanielhaslivedinBeijingfortwoyears.Weusesimplepasttensetotellwhathappenedinthepast.Weusethepresentperfecttensetotalkaboutanactionthatstartedinthepastandcontinuestothepresent.1.三年前他养了只猫做宠物。He______acataspetthreeyearsago.2.这只宠物猫他养了三年了。He_________thepetcatforthreeyears.kepthaskeptDaniel上个月买了台新电脑。Danielboughtanewcomputerlastmonth.Daniel已经买了台新电脑。Danielhasboughtanewcomputer.(Danielhasanewcomputernow.)Weusethesimplepasttensetotellwhathappenedinthepast.Weusethepresentperfecttensetotalkabouttheresultofanaction.Whentheactionhappenedisnotveryimportant.Itmayhavejusthappenedorhappenedsometimeago.1.我上个星期去参观了那个新动物园。I_______thatnewzoolastweek.2.我已经参观过那个新动物园了。I____________thatnewzoo.visitedhavevisited吴老师2010年和2011年访问过加拿大。MrWuvisitedCanadain2010and2011.吴老师已经去过加拿大两次。MrWuhasbeentoCanadatwice.Weusethesimplepasttensetotellwhathappenedinthepast.Weusethepresentperfecttensetotellhowmanytimesanactionhashappenedtillnow.1.我上周看过这部电影。I_____thismovielastweek.2.我已经看过这部电影很多次。I__________thismoviemanytimes.sawhaveseenSimonisshowingMilliesomepictures.Completehissentenceswiththecorrectformsofthewordsinbrackets.I______(visit)thePalaceMuseumwithmygrandparentstheotherday.I________(climb)MountHuanglastSummer.visitedclimbed_____youever_____(try)thefamousTianjinBaozi?IamhappythatI___________(learn)toswim.Havetr...
