问题补充:
I got to know him five years ago. We have been in close touch with each other .
A. sometime
B. sometimes
C. ever before
D. ever since
答案:
A. sometime
B. sometimes
C. ever before
(答案→)D. ever since
解析:考查时态与副词辨析。A某时;B有时;C以前;D从那时到现在;ever since与现在完成时连用;句意:我五年前认识了他,从那时到现在我们一直都保持着密切的联系。根据句意说明D正确。