从A、B、C、D四个选项中，选出可以填入空白处的最佳选项。
1. – Have you seen ______ umbrella? I left it here yesterday.
-- Is it ______ black one? I think I saw it somewhere.
A. an; the B. the; the C. the; a D. an; a
2. He looks old for his age. I think he must have ______ a lot in those years.
A. gone over B. gone by C. gone through D. gone with
3. --______ you ______ the editor at the airport?
--No, he ______ away before my arrival.
A. Have; met; has driven B. Had; met; was driven
C. Did; meet; had been driven D. Have; met; had driven
