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
