Since 1970 Mr. Johnson______in this hospital and he loves the job very much.A.has workedB

学历类 专四 已帮助 人

Since 1970, Mr. Johnson______in this hospital and he loves the job very much.

A.has worked

B.will be working

C.has been working

D.is working

请帮忙给出正确答案和分析,谢谢!

热搜:关于氨基酸代谢错误的论述是_________。