Question

【题目】A new engineer was appointed to deal with the products _________ by customers.

A. returning B. returned

C. to return D. return

Answer 1

【答案】B

【解析】

考查非谓语动词。

句意：一个新的工程师被任命处理由顾客退回的产品。分析句子可知，句中products和return是被动关系，故用过去分词作定语。故选B。