(Ever since) the world (began), nations (have difficulty) (in keeping) peace with their neighbors.

admin2007-10-13 74

问题 (Ever since) the world (began), nations (have difficulty) (in keeping) peace with their neighbors.

选项 A、Ever since
B、began
C、have difficulty
D、in keeping

答案C

解析应改为have had difficulty。ever since引导句子的时候，从句用过去时，主句要用现在完成时。

转载请注明原文地址:https://www.kaotiyun.com/show/23PO777K

成人本科学位英语

相关试题推荐

Man:Fridayisapublicholiday.ShallwespendourweekendinKunming?WecouldleaveonThursdaynight.Woman:I’drathergoo
Conventionalwisdomhasitthatconcernfortheenvironmentisaluxuryonlytherichworldcanafford;thatonlypeoplewhoseb
Sheisonly______satisfiedtocopynotesofotherswithoutthepainofthoughtforherself.
Man:Howwellareyoupreparedforyourpresentation?YourturncomesnextWednesday.Woman:Ispentawholeweeksearchingont
Thecomprehensionpassagesonthiscoursearedesignedtohelpyouincreaseyourspeed.Ahigherreadingrate,withnolossofc
Ifwomenaremercilesslyexploitedyearafteryear,theyhaveonlythemselvestoblame.Becausetheytrembleatthethoughtofb
Thoughitismere1to3percentofthepopulation,theupperclasspossessesatleast25percentofthenation’swealth.Thisc
Therearevariouswaysinwhichindividualeconomicunitscaninteractwithoneanother.Threebasicwaysmaybedescribedasth
Asthepaceoflifecontinuestoincrease,wearefastlosingtheartofrelaxation.Onceyouareinthehabitofrushingthroug
______youdisagreewithher,herideaisstillworthconsidering.

随机试题

由于承包人未按施工质量验收规范、设计文件要求和施工合同约定组织施工而造成质量缺陷，根据《建设工程质量管理条例》中的相关规定，保修的经济责任应由()负责。
某市一综合楼，结构形式为现浇框架一剪力墙结构，地上20层，地下2层，建筑檐高66.75m,建筑面积56000㎡，于2005年3月12日开工口屋面卷材防水层(卷材及其配套材料符合设计要求)施工后，直接在上面进行刚性保护层施工。经过一段时间后，变形缝等部位防水
资源资产评估的特定目的有()。
反向市场出现的原因是()。
一瓶纯酒精倒出后用水加满，再倒出后仍用水加满，再倒出后还用水加满，这时瓶中纯酒精比原来少几分之几?()
服务对象小玉发现丈夫有外遇，十分痛苦，向社会工作者小李哭诉，称自己想自杀。小李运用危机介入模式对小玉提供服务，其应遵循的工作原则有()。
植物叶片受伤后会流出绿色的汁液，同时叶片的清香变得更加浓郁，这种“绿色清香”可引诱害虫的天敌前来清除害虫。研究人员利用转基因方法将青椒合成香味酶的基因导入十字花科的拟南芥中，一旦有菜粉蝶的幼虫啃食叶片，拟南芥散发的清香便会增强。随后，菜粉蝶的天敌粉蝶盘绒茧
下列选项中，能正确定义数组的语句是
ImaginethattheSpanish-speakingworldwasasinglecountrywhichiscalledHispanidad.Itcoversa【C1】______perhapsone-an
Walking,ifyoudoitvigorouslyenough,istheoverallbestexerciseforregularphysicalactivity.Itrequiresnoequipment,e

最新回复(0)

(Ever since) the world (began), nations (have difficulty) (in keeping) peace with their neighbors.

成人本科学位英语

Man:Fridayisapublicholiday.ShallwespendourweekendinKunming?WecouldleaveonThursdaynight.Woman:I’drathergoo

Conventionalwisdomhasitthatconcernfortheenvironmentisaluxuryonlytherichworldcanafford;thatonlypeoplewhoseb

Sheisonly______satisfiedtocopynotesofotherswithoutthepainofthoughtforherself.

Man:Howwellareyoupreparedforyourpresentation?YourturncomesnextWednesday.Woman:Ispentawholeweeksearchingont

Thecomprehensionpassagesonthiscoursearedesignedtohelpyouincreaseyourspeed.Ahigherreadingrate,withnolossofc

Ifwomenaremercilesslyexploitedyearafteryear,theyhaveonlythemselvestoblame.Becausetheytrembleatthethoughtofb

Thoughitismere1to3percentofthepopulation,theupperclasspossessesatleast25percentofthenation’swealth.Thisc

Therearevariouswaysinwhichindividualeconomicunitscaninteractwithoneanother.Threebasicwaysmaybedescribedasth

Asthepaceoflifecontinuestoincrease,wearefastlosingtheartofrelaxation.Onceyouareinthehabitofrushingthroug

______youdisagreewithher,herideaisstillworthconsidering.

由于承包人未按施工质量验收规范、设计文件要求和施工合同约定组织施工而造成质量缺陷，根据《建设工程质量管理条例》中的相关规定，保修的经济责任应由()负责。

资源资产评估的特定目的有()。

反向市场出现的原因是()。

一瓶纯酒精倒出后用水加满，再倒出后仍用水加满，再倒出后还用水加满，这时瓶中纯酒精比原来少几分之几?()

服务对象小玉发现丈夫有外遇，十分痛苦，向社会工作者小李哭诉，称自己想自杀。小李运用危机介入模式对小玉提供服务，其应遵循的工作原则有()。

下列选项中，能正确定义数组的语句是

ImaginethattheSpanish-speakingworldwasasinglecountrywhichiscalledHispanidad.Itcoversa【C1】______perhapsone-an

Walking,ifyoudoitvigorouslyenough,istheoverallbestexerciseforregularphysicalactivity.Itrequiresnoequipment,e