--When did you become a volunteer for the elderly? -- Two years ago. I this group since then. A．join...
2023-02-28 20:15:43 94次 2013届江苏省无锡市七年级第二学期期中考试英语试卷 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
--When did you become a volunteer for the
elderly?
-- Two years ago. I this
group since then.
|
A．joined
|
B．took part in
|
C．have joined
|
D．have been in
|
本题链接：
