Not until yesterday ______ anything about the project that will be completed soon.
A．did I learnB．have I learntC．I learntD．that I learnt
B
  本題考查對時態(tài)及倒裝句用法的掌握。根據(jù)時間狀語not until yesterday，本句應(yīng)該用現(xiàn)在完成式，由于是否定詞在句首，所以句子要部分倒裝，故答案選B。
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