问题
选择题
I'm ______ my book that I don't notice him stand beside me. [ ]
A. very absorbing
B. very absorbed in
C. so absorbed in
D. as absorbed in
答案
答案：C
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I'm ______ my book that I don't notice him stand beside me. [ ]
A. very absorbing
B. very absorbed in
C. so absorbed in
D. as absorbed in
答案：C