【题目】The manager was satisfied to see many new products ______ after great effort.
A.having developed
B.to develop
C.developed
D.develop
【答案】C
【解析】句意：经理很满意得看到经过努力后许多新产品被研制了出来。分析结构可知此处是“see +宾语+补语”结构，动词develop和宾语之间存在被动关系，应该用过去分词，故答案选C
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The manager was satisfied to see many new products after great effort.A.having developedB.to develop
编辑：chaxungu时间：2026-04-27 03:14:12分类：高中英语题库
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