Not until I began to work realize how much time I had wasted. A. didn't I B. did
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Not until I began to work ____ realize how much time I had wasted.
A. didn't I B. did I C. I didn't D. I
试题答案
B

Not until I began to work ____ realize how much time I had wasted.
A. didn't I B. did I C. I didn't D. I
B