She ought to stop work; she has a headache because she ______ too long.

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问题 She ought to stop work; she has a headache because she ______ too long.

选项 A、has been reading
B、had read
C、is reading
D、read

答案A

解析根据主句的时态，我们可以将B 和D 排除。由于这里要表达“她现在头疼”是“过去一直看书的结果”，强调的是过去对现在的“影响”，因此要使用现在完成时。A 为正确答案。例如：I have been puzzling my brains about this question for weeks now．对这个问题我已经苦苦思索了几个星期。I have been corresponding with him ever since I got to know him．自从认识他以来，我就一直与他通信。

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专业英语四级

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She ought to stop work; she has a headache because she ______ too long.

专业英语四级

Renewableenergysourcescanbereplenishedinashortperiodoftime.Thefiverenewablesourcesusedmostoftenincludehydrop

Gently______herwordswerespoken,therewasnomistakingthatshewasdispleased.

Ourjourneywasslowbecausethetrainstopped______atdifferentvillages.

Threatsfromnomadicpeopleinthenorthwere【C1】______throughoutChinesehistory.TheywerecontinuallyattackingtheChinese

1LAND,Switzerland,May12-Theworld’scodstockscouldbewipedoutby2020becauseofoverfishing,illegalcatchesandoil

Oursisasocietythattriestokeeptheworldsharplydividedintomasculineandfeminine,notbecausethatisthewaytheworl

Theavailabilitytooccupationsdependsalsoonshiftsinthenationaleconomyandincreasinglyoneconomicdevelopmentsworldwi

Onereasonhumanbeingscanthriveinallkindsofclimatesisthattheycancontrolthequalitiesoftheairintheenclosedsp

Trafficstatisticspaintagloomypicture.Tohelpsolvetheirtrafficwoes,somerapidlygrowingU.S.citieshavesimplybuilt

Thenewlymarriedcouplehasn’tdecidedwhichhotel_________.

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