He ______ the 8:20 bus because he didn’t leave home till 8:25.A、couldn’t have ca

游客2024-09-09 59

问题 He ______ the 8:20 bus because he didn’t leave home till 8:25.

选项 A、couldn’t have caught
B、ought to have caught
C、shouldn’t have caught
D、must not have caught

答案 A

解析 because引导的分句用了过去时，因此本句是对过去的推测。而根据他出门的时间。可知他肯定没有赶上车，要用couldn’t表否定推测，答案为A项couldn’t have caught。must表推测时只用于肯定句中，ought to have done表示“本应该”，shoudn’t have done表示“本不应该”。

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He ______ the 8:20 bus because he didn’t leave home till 8:25.A、couldn’t have ca

IfeltsoembarrassedthatIcouldn’tdoanythingbut______therewhenIfirst

A、BecauseMichelledecidedtohavethebaby.B、BecauseMichellemarriedalocal

PASSAGETHREE[br]WhycanMcDonald’sfoodcauseheartdisease?Becauseitwillm

PASSAGEONE[br]WhydidHippiesgiveflowerstopeople?Becausetheywantedtoc

Asthemountainswerecoveredwitha______ofcloud,wecouldn’tseetheirtops

He_______the8:20busbecausehedidn’tleavehometill8:25.A、couldn’thaveca

______ofthetwinswasarrested,becauseIsawbothatapartylastnight.A、None

Susandecidednottowriteherresignationintheofficebecauseshedidn’twant

Thefootballmatchwas_______becauseoftheheavyrain.A、calledoffB、calledup

______shecouldn’tunderstandwas______moreandmoreyoungpeopleliketofol

Womenwhohavediabetesarealmostfourtimesmorelikelytohaveababywit

Helendidknowsomethings,though.Mostoftheseshehadlearnedfromhers

Everylivingthinghaswhatscientistscallabiologicalclockthatcontrols

Telephone,televisionradio,andtelegraphallhelppeoplecommunicatewith

[originaltext]M:Areyouenjoyingthistour?W:Yes.It’smyfirsttimetovisi

患者面瘫后经一系列治疗，现仔细观察可觉察面肌轻度无力，眼睛稍用力可闭拢，微笑露齿

图示两根圆轴，横载面面积相同但分别为实心圆和空心圆。在相同的扭矩T作用下，两轴最

在进行调査访问时，下面说法中正确的是（） A.在访问时，与被访者谈

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shecouldn’tunderstandwasmoreandmoreyoungpeopleliketofol