She must have burnt her midnight oil for the whole week,______she got very good marks.A.for B.because C.since D.as
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Shemusthaveburnthermidnightoilforthewholeweek,______shegotverygoodmarks.A.forB.becauseC.sinceD.asShe
She must have burnt her midnight oil for the whole week,______she got very good marks.A.for B.because C.since D.as
She must have burnt her midnight oil for the whole week,______she got very good marks.
A.for B.because C.since D.as
She must have burnt her midnight oil for the whole week,______she got very good marks.A.for B.because C.since D.as
A
for 一般用在句中,表示补充说明的原因.
because 一般回答why提出的问题,表示直接原因.
since 表示显而易见的原因,一般位于句首,翻译为“既然”.
as是从属连词,说明一般的因果关系,它引导的从句通常放在句首,有时也可放在句末.
意思：我们都相信,她挑灯夜战了整整一个星期,因为她每科分数都很高.
She must have burnt her midnight oil for the whole week,______she got very good marks.A.for B.because C.since D.as
she must have burnt her midnight oil for the whole week,_____she got very good marks in the exams.A.for B.because C.since D.as 需说明理由,分析各个选项
burnt
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