问题
选择题
| —When did you become a volunteer? —Two years ago. I _______ this group since then. |
A. have joined in B. have joined to C. have been in D. have been to |
答案
答案：C
搜题请搜索小程序“爱下问搜题”
| —When did you become a volunteer? —Two years ago. I _______ this group since then. |
A. have joined in B. have joined to C. have been in D. have been to |
答案：C