題目列表(包括答案和解析)
--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 |
--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 |
--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 |
A.joined | B.took part in | C.have joined | D.have been in |
A.joined | B.took part in | C.have joined | D.have been in |
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