I_____him the Christmas gift by mail because he came home during the Christmas holidays.

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问题 I_____him the Christmas gift by mail because he came home during the Christmas holidays.

选项 A、ought to have sent
B、couldn’t have sent
C、must have sent
D、needn’t have sent

答案D

解析主句用了一句与过去事实相反的，表示必要性的虚拟语气，D符合题意。

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专业英语四级

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I_____him the Christmas gift by mail because he came home during the Christmas holidays.

专业英语四级

【C1】peopledon’twakeupinthemorning,combtheirhair,and【C2】thefrontdoorand【C3】__theworldstage.

Whorescuedthoseciviliancontractors?

Areportconsistentlybroughtbackbyvisitorstothe13.S.ishowfriendly,courteous,andhelpfulmostAmericansweretothem

In1840,bothLucretiaMottandElizabethCadyStantonresented______properseatingattheWorld’sAntislaveryconventioninL

TheUnitedStatesiswell-knownforits【C1】ofmajorhigherhighwaysdesignedtohelpa【C2】getfromoneplaceto

HowmanymembersarethereintheArabLeague?

ItispossibleforstudentstoobtainadvanceddegreeinEnglishwhileknowinglittleornothingabouttraditionalscholarlymet

Shespentthelastdayofvacationgivinggiftsand______theharbor.

Becausethesupplyofnaturalgaswasplentiful______otherchoiceslikecoalandfueloil,manypeopleuseitforheatingandc

Apartfromahandfulofweatherstations,within2,000milesoftheSouthPolethereisnotasingletree,industry,or_____.

A、骨穿针固定长度2．5cm，针与骨面垂直B、骨穿针固定长度约2cm，针与骨面成30°角C、骨穿针固定长度1．5cm，针与骨面垂直D、骨穿针固定长度1cm，针与骨面成30°～40°角E、骨穿针固定长度1cm，针与

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【C1】______peopledon’twakeupinthemorning,combtheirhair,and【C2】______thefrontdoorand【C3】______theworldstage.

Whorescuedthoseciviliancontractors?

Areportconsistentlybroughtbackbyvisitorstothe13.S.ishowfriendly,courteous,andhelpfulmostAmericansweretothem

In1840,bothLucretiaMottandElizabethCadyStantonresented______properseatingattheWorld’sAntislaveryconventioninL

TheUnitedStatesiswell-knownforits【C1】______ofmajorhigherhighwaysdesignedtohelpa【C2】______getfromoneplaceto

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ItispossibleforstudentstoobtainadvanceddegreeinEnglishwhileknowinglittleornothingabouttraditionalscholarlymet

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Apartfromahandfulofweatherstations,within2,000milesoftheSouthPolethereisnotasingletree,industry,or_____.

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