题目内容
9. Since Jack was laid off from his job three months ago, he a new one, but without luck.
A. looked for B. had looked for
C. is looking for D. has been looking for
9. D考査动词的时态。"Since+含有过去时的句子"与完成时连用。根据句意可知,杰克被辞退后,一直在找新工作,但还没找到。找工作这个动作可能会继续下去,故用现在完成进行时。故选D。
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