--Whendidyoubecomeavolunteerfortheelderly?--Twoyearsago...
來源:國語幫 1.68W
問題詳情:
--When did you become a volunteer fo r the elderly?
-- Two years ago. I this group since then.
A. joined B. took part in C. have joined D. have been in
【回答】
D
知識點:動詞時態
題型:選擇題