—Is there uniform on the sofa? —No, there is on the desk.
A：a, an
B：an, a
C：a, one
D：an, one
把下列词语补充完整。
神机____ 可喜____
大珠江三角洲城市群的核心城市是（ ）
It was not ___________ 11 o'clock that I got away from the hospital.
