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题目内容
（兰州财经大学大学英语）
(2分)Not until this term （ ） to realize how important this subject is to his future career as a diplomat.
A. he began
B. did he begin
C. he has begun
D. that he has begun
A. he began
B. did he begin
C. he has begun
D. that he has begun
参考答案