Not until I began to work__how much time I had wasted．
- A.didn't I realize
- B.did I realize
- C.I didn't realize
- D.I realized
正确答案及解析
正确答案
B
解析
在具有否定意义的词起始的句子中，主句中的主语和谓语要倒装。倒装时，助动词移至主语前面，实意动词仍在主语之后。
Not until I began to work__how much time I had wasted．
在具有否定意义的词起始的句子中，主句中的主语和谓语要倒装。倒装时，助动词移至主语前面，实意动词仍在主语之后。
