问题
选择题
---Look at these stamps. I __________ them for five years.
---Wow, they are wonderful.
A．kept
B．have kept
C．have bought
D．bought
答案
答案：B
题目分析：根据语境可知用现在完成时，for+一段时间要求这句子的谓语动词用持续的故用have kept。句意 ：---看这些邮票，我已经买了他们五年了。----他们太完美了。根据题意故选B.