11 have been in
12 started / began ,ago
13 have kept ,for
14 has been away from ,since
15 have had,since
考查终止性动词与持续性动词的区别与用法.
11 have been in
12 started / began ,ago
13 have kept ,for
14 has been away from ,since
15 have had,since
考查终止性动词与持续性动词的区别与用法.