2. 外语
  3. ______ rapidly by the body, sugar provides a quick energy source.

______ rapidly by the body, sugar provides a quick energy source.

admin2012-02-26  44
问题 ______ rapidly by the body, sugar provides a quick energy source.
选项 A、Digested
B、Digesting
C、To digest
D、Having digested
答案A
解析 动作digest与主语sugar存在动宾关系，故此题用过去分词作状语。
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成人本科学位英语

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