问题
选择题
After completing and signing it, please return the form to us in the envelope ________. [ ]
A. providing
B. provided
C. having provided
D. provide
答案
答案：B
搜题请搜索小程序“爱下问搜题”
After completing and signing it, please return the form to us in the envelope ________. [ ]
A. providing
B. provided
C. having provided
D. provide
答案：B
