-----________didyouruncleleavehishometown?  ----He____...

问题详情：

 -----________did your uncle leave his home town ?

   ----He ___________for nearly twenty years.

 A. When , has left            B.  When , has been away

 C. How long , has left        D. How long , has been away

【回答】

B

知识点：相似 相近词比较

题型：选择题