He must have been late for the conference yesterday, ______?A、didn’t heB、haven’

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问题 He must have been late for the conference yesterday, ______?

选项 A、didn’t he
B、haven’t he
C、mustn’t he
D、wasn’t he

答案 D

解析本题考查反意疑问句。情态动词表推测-后面的反意疑问句应该与实际时态一致。用must have done表示“对过去加以推测”时，其附加疑问部分要根据must后的动词形式和有无时间状语来确定时态。此句中动词是be，时间是yesterday，所以用wasn’t he。如果去掉yesterday，就应选B项。

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He must have been late for the conference yesterday, ______?A、didn’t heB、haven’

DoyouknowwhyJohndidn’t______atthepartyyesterdayevening?A、showoffB、sho

Ireceivedmywagesyesterday.______IcannowpaywhatIoweyou.A、thatB、sotha

SpeakerA:Couldyougivemearidetotheconferencecenter?Mypresentationis

She______thewashingoutinthegardenbecauseitwasfineyesterday.A、hungB、ha

Iwentto______Londonyesterdayandsaw______strangeoldmanandalittlegirl,

Hemusthavebeenlatefortheconferenceyesterday,______?A、didn’theB、haven’

——Whereisthemanyoutalkedaboutyesterday?——Look!________.A、HerehecomesB

SpeakerA:IheardJoesaysomethingterribletoyouyesterday.SpeakerB:_____

Herememberedclearlythathe________thebookonherdeskyesterday.A、liedB、l

She________thewashingoutinthegardenbecauseitwasfineyesterday.A、hung

ThegeneralmanagerdemandedthejobwillbecompletedbeforetheNationalDay.A

[originaltext]Withgrowingnumbersofpeoplelivingalone,eitherbychoice

Pleasetellhimthathecandial110______emergency.A、inthecaseB、inacase

阳性植物的特点是（）A.在强光照条件下生长良好，光补偿点较高 B.在弱光

配置管理库不包括（）。A.开发库 B.源码库 C.受控库 D.产品库

下列哪些是高血压Ⅲ期的临床表现()A.视神经乳头水肿 B.脑出血 C.左

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