单项选择题 -Excuse me, sir. Where is the post office? （）.

未知题型 -Excuse me, is this seat free? -( ).No, you can't sit hereB: Sorry, it is takenC: Yes, it is seated by a boyD: Yes, but I don't know

单项选择题 法国在教育行政方面实行的是()体制。