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
参考答案:
(2013·新课标Ⅱ,10)It was only after he had read the papers__..
(2013·新课标Ⅱ,10)It was only after he had read the papers________Mr.Gross realized the task before him was extremely difficult to complete.A.whenB.thatC.whichD.what