Not until I began to work__how much time I had wasted．

单选题

Not until I began to work__how much time I had wasted．

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单选题

It was not until yesterday_they decided to re- open the business talk.( 5.0) (5.0) ( 5.0)

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单选题

Not until this term?______ ?to realize how important this subject is to his future career as a diplomat.（2001）

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材料题

not until the 1600s that women dancers shortened their skirts,changed to flat shoes,and began doing some of the leaps and turns performed by men.It was also in the 1600s that professional ballet began. King Louis XIV of France,himself a devoted dancer,founded the Royal Academy of Dance. The five basic feet positions from which all ballet steps begin were finalized. In the late 1700s another important change occurred. Ballet began to tell a story on its own. It was no longer simply dance to be p

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