题目内容
Not until I began to work ________ how much time I had wasted.
[ ]
A. did I realize
B. didn't I realize
C. hadn't I realized
D. had I realized
B. didn't I realize
C. hadn't I realized
D. had I realized
A
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It was not until I came here ____ I realized this place was famous, for not only its beauty but also its weather.
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