问题补充:
—Excuse me, where is Mr Brown’s office?
—Sorry, I don’t know. I here for only a few days.
A. work
B. worked
C. have worked
D. will work
答案:
A. work
B. worked
(答案→)C. have worked
D. will work
解析: 表示过去到现在这几天一直在这儿工作,还可能继续在这个地方工作,用现在完成时,结构为have+过去分词,故本题选C。