问题
选择题
Since Jack was laid off from his job three months ago, he a new one, but without luck.
A.looked for
B.bad looked for
C.is looking for
D.has been loking for
答案
答案:D
题目分析:考查时态:句意:自从杰克三个月前被解雇后,他一直在找个新的工作,但是不走运。时间状语是since引导的,主句应该是现在完成时或现在完成进行时,这里强调动作一直在进行而且可能还要进行下去,用现在完成进行时,选D。