He ______ the 9:00 train because he didn’t leave home until 9:10.A、couldn’t have

游客2024-10-24 21

问题 He ______ the 9:00 train because he didn’t leave home until 9:10.

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

答案 A

解析本题考察情态动词表示猜测的用法。couldn’t have done表示对过去发生的事进行否定猜测，意为“不可能……”。本题意为“他不可能赶上9：00的火车，因为他 9：10才离开家”。 shouldn’t have done，本不应该做某事；ought to have done，本应该做某事；D项不正确。要注意情态动词表示猜测时，can只能用于否定形式而must只能用于肯定形式。

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He ______ the 9:00 train because he didn’t leave home until 9:10.A、couldn’t have

Doctorsareoftencaughtina______becausetheyhavetodecidewhethertheysh

Ididn’tgotohispartylastnight,because______Ichangedmymind.A、onasec

Thepaperindustryneededwoodpulpintheearly1800sbecause______.[br][or

Thepaperindustryneededwoodpulpintheearly1800sbecause______.[original

Everychildunder16inthiscountryhastoattendschoolbecauseeducationis_

Hiswifedivorcedhimbecausehewasaddicted______.A、togambleB、gamblingC、to

Ourjourneywasslowbecausethetrainstopped______atdifferentvillages.A、un

EightforeignaidworkerswerearrestedinAfghanistanbecauseoftheir______a

Lacking______sensibilitybecauseofuniqueupbringing,Monicadoesnotcareab

Iamnot______withmyroommatebutIhavetosharetheroomwithher,because

Shemanagedtosave______shecouldoutofherwagestohelpherbrother.A、how

[originaltext]M:Hello,MissLin.Sogladtoseeyou!W:Oh,no,youaren’t.I’

Noagreementwasreachedinthediscussionasneithersidewouldgivewayto____

函数的定义域是()A.[-2，2] B.[-2，2) C.(-2，2] D

利率互换的目的是()。A.降低融资成本 B.管理流动性 C.获得目标货币债务

A.寒证 B.热证 C.实证 D.虚证 E.表证胸腹胀满，按之不痛，腹满

关于桔梗，说法正确的是A、性味苦，辛，温 B、只用于肺寒咳嗽 C、只用于肺热

的是（）。

外周血HLA-B27抗原阳性与下面哪种疾病相关性高A.重症肌无力B.强直性脊

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