摘要：20．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 realize
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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
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 realize |
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 realize |
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