John ______ be could improve his exam results, but he did not have enough time to study.

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问题 John ______ be could improve his exam results, but he did not have enough time to study.

选项 A、knows how
B、knows that
C、knew how
D、knew that

答案C

解析考时态和连词。根据从句可判断为过去时，排除选项A和B。how表示如何，符合题意。选项C是正确的。

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本试题收录于：英语题库成考专升本分类

英语

成考专升本

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John ______ be could improve his exam results, but he did not have enough time to study.

英语

成考专升本

Findingajobcanbe______anddisappointing,andthereforeitisimportantthatyouareprepared.

IhadjustpostedtheletterwhenIrememberedthatIhadn’t______thecheque.

Inthepast,peoplewhograduatedfromcollegefeltproudoftheiracademicachievementandconfidentthattheirdegreewouldhe

Thepoliceweremakinganinvestigationintotheaccident______100peoplewerekilled.

However,(theChinesehadlittleornocontactwithEuropeatthattime),soitisnotclearwhetherornottheEuropeanslearne

Insomesocieties______womenworkoutsidetheirhomes,thereexistmanysocialproblems.

InEngland,peopleoftentalkabouttheweatherbecausetheycanexperiencefourseasonsinoneday.Inthemorningtheweather

In1826,aFrenchmannamedNiepceneededpicturesforhisbusiness.Soheinventedaverysimplecamera.Heputitinawindow

Theangrywomansatinthestationoffice."Therailwayshouldpayme＄12."ShesaidtoHarry,themanwho【21】theticket."Myti

Theangrywomansatinthestationoffice."Therailwayshouldpayme＄12."ShesaidtoHarry,themanwho【21】theticket."Myti

马，发病1d。临诊时体温39．9℃。高热，汗出如雨，口渴贪饮，脉象洪有力。若选用中药治疗，应以下述哪个方剂为主进行加减

A．心悸失眠B．目赤目昏C．吐血衄血D．湿疹湿疮E．肝热急惊赭石除能够治疗阳亢眩晕外，又能治疗()。

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