When I went in , they were in a heated discussion .A. absorbB. absorbedC. absorbingD. bei

发布时间：2020-08-17 00:25:01

When I went in , they were      in a heated discussion .
A. absorb
B. absorbed
C. absorbing
D. being absorbed

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A. absorb
(答案→)B. absorbed
C. absorbing
D. being absorbed
解析：考查固定词组，be absorbed in意思“全神贯注于”，句子意思“当我进来时，它们全神贯注于激烈的讨论”，所以选B
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