题目内容
The writer was so absorbed________his writing that he forgot to eat.
A.on B.of
C.in D.at
C
be absorbed in 专心于……,全神贯注于……。

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题目内容
The writer was so absorbed________his writing that he forgot to eat.
A.on B.of
C.in D.at
C
be absorbed in 专心于……,全神贯注于……。