Question

【题目】After completing and singing it. Please return the form to us in the envelope _____.
A.providing
B.provided
C.having provided
D.provide

Answer 1

【答案】B
【解析】句意：在填完这份表格并签了字之后，请用我们提供的信封把它寄回给我们。从句意可知envelope后是定语，而provide和envelope之间是被动关系，A选项现在分词表示主动；C、D选项不做定语，所以答案为B。