题目内容
(请给出正确答案)
[单选题]
Not until recently_____ what he had done.
A.do I knew
B.had I know
C.did I knew
D.have I learned
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A.do I knew
B.had I know
C.did I knew
D.have I learned
A.Not until…have
B.Until…did
C.Not until…do
D.Until…have
______ after his death that he was recognized as a great scientist.
A.It was not until
B.It is until
C.It was until
D.Not until