从A、B、C、D四个选项中，选出可以填入空白处的最佳选项，并在答题卡上将该项涂黑。
1．— You’re selling your house and moving to one that is half its size? Are you serious?
— _________.
A. I mean it. B. That’s all right C. It depends. D. You’ve got me
2． —Don’t you think Obama is _____ success?
—Yes, I do． He is popalar with _____ public in America．
A． / , a B． a, a C． the, a D． a, the
