题目内容

It was not until the entrance exams were in sight that__________that I had so many books to cover and so many exercises to finish.


  1. A.
    I realized
  2. B.
    did I realize
  3. C.
    had I realized
  4. D.
    I had realized
A
解析:
此句是I didn't realize that I had so many books to cover and so many exercises to finish until the entrance exams were in sight.的强调句。not until…in sight位于强调结构中,realize就变成肯定,用过去时。
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