Question

【题目】-- Do you know him well?

--- Sure. We _____________friends since ten years ago.

A. were B. have been C. have become D. have made

Answer 1

【答案】B

【解析】

试题分析：句意:--你对大卫熟悉吗？---当然，我们自从十年前就是好朋友。根据时间状语since ten years ago.因为与since连用的时态是现在完成时，故选B。