---Howlong       youruncle         thispersonalcomputer...

问题详情：

---How long        your uncle          this personal computer ?   

     --- Since ten years ago.  He wants to buy a new one.

     A. have; had    B. has; bought    C. have ; bought    D. has; had

【回答】

D

知识点：动词时态

题型：选择题