My sister has been working ()western China since graduated.A

My sister has been working ()western China since graduated.A My sister has been working for this firm 与My sister has alre lucy has been my friend since she since she came to china 对划 my father has been working in the factory （since 1990） （对括起来 My sister has been working in that factory ever ______ it wa My wife has never been a good one since I . Jim ____ here since he came here.A.has been working B.works He has been working in the factory___.A.ever since B.10 year Lucy has been working ________ since she got ________ A in t 21.my sister has been studying for a test____a week. His sister left home in 1998,and-----since.A has not been he 一道英语的改错题My sister worked in that company since she graduated