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She was too tired to keep awake.She ___continuously since dawn.
A.worked B.had been working
C.had worked D.have been working
since后面用过去时，前面用现在完成时？
网校学员uoC**在学习英语零基础直达PETS三级/公共英语三级【开学季专享班】时提出了此问题。
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英语零基础直达PETS三级/公共英语三级【开学季专享班】
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本课程热门知识点
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Can you imagine why ___?
A.did the boy say that
B.the boy said that
C.did the boy say
D.the boy said
老师，B比D只多了个that,句子就完整了吗？ -
She showed the visitors around the museum,the construction_____had taken more than three years.
A.for which B.with which C.of which D.to with
老师，选什么 -
The policeman warned the young man____after drinking.
A.never to drive B.to never drive
C.never driving D.never drive
老师，这题选什么？ -
________he will come to the exhibition is certain.
A.That B.What C.If D.Whether
老师，这题选什么？ -
He __that he has got one of the two earlist British stamps but nobody believes him.
A.acclaims B.claims C.exclaims D.proclaims -
Linda has lost her wallet again.It is the second time this __.
A.has happened B.happened
C.happen D.was happened -
To play fair is as important as__.
A.we play well B.playing well
C.to play well D.well to play -
__in all parts of the state ,pines are the most common tress in Georgia.
A.Found B.Finding them
C.To find them D.Find them -
Many people believe that the building should be__into a school.
A.changed B.altered C.varied D.converted -
This statement is not __with what you said at yesterday's meeting.
A.constant B.consistent C.continual D.continuous