题目内容
After completing and signing it, please return the form to us in the envelope .
A. providing B. provided
C. having provided D. being provided
B
【解析】
试题分析:考查非谓语动词。本题的解题关键是envelope是provide的动作承受者,故用过去分词作后置定语,故B正确。
考点:考查非谓语动词。
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