问题
选择题
| As he ______ to his work that he didn't notice that it was already past midnight. |
A. was so busy B. so devoted C. was so devoted D. was so turned |
答案
答案：C
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| As he ______ to his work that he didn't notice that it was already past midnight. |
A. was so busy B. so devoted C. was so devoted D. was so turned |
答案：C