—Lookatthesestamps.I　　　　　themforfiveyears.—Wow,theyarew...

问题详情：

—Look at these stamps. I　　　　　them for five years.

—Wow, they are wonderful.

A. kept           B. have kept          C. have bought

【回答】

B

知识点：动词时态

题型：选择题