Question

Sally        her MP4 for 3 years.

1. A.
   have bought
2. B.
   has bought
3. C.
   have had
4. D.
   has had

Answer 1

D
D 考查现在完成时。与一段时间连用时，短暂动词必须转换为延续性动词或状态性动词。buy转换为have“有”，故选D。