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英语填空题Itwastenandshewastiredbecauseshesinceearlymorning.A.wasworkingB.hadbeenworkingC.workedD.hadworked

题目详情
英语填空题
It was ten and she was tired because she _____ since early morning.
A.was working B.had been working C.worked D.had worked
▼优质解答
答案和解析
选择b
意思是已经十点了,她很累,因为从大清早起就开始工作了.
选b表示工作的状态一直持续到叙事所指的十点钟,因为主句是过去时,所以从句要用过去时的某种态,而表示持续进行的就是b了