His sisterleft home in 1998,and___since.为什么填has not been hea

His sisterleft home in 1998,and___since.为什么填has not been hea His sister left home in 1998,and-----since.A has not been he His sister left home in 1998,and has not been heard of since 选择His sister left home in 1998,and ____since.A has not been His sister left home in 1998,and ＿ since.A.had not been hear His uncle has not been back ( ) he left home three years ago 英语：为什么填has been Jeff has been in china for a year,so his parents have not se 为什么his life has been changed不对? The watch l lost yesterday in the desh 为什么填has been found? Mr.Smith is not at home.He___to work.A.has gone B.has been C His father has been lived in the town since 1950...