--When did you become a volunteer for the elderly?-- Two years ago. I this group since then.
#42442
A
joined
B
took part in
C
have joined
D
have been in
推荐题目
The writer told us that he________ a great number of short stories in the last few years.
#42024
A
wrote
B
was written
C
has written
D
had written
— Oh, Miss Wei. Your skirt looks nice. Is it new? — No, I it since three years ago.
#42643
A
had
B
bought
C
have had
D
have bought
