A:
B:
C:
D:或
成语“得陇望蜀”中的“陇”和“蜀”,分别是哪两个省的简称 ( )
-- I heard that there are a few seats left for tonight's show.
-- Really? I was under the impression ______ they were sold out a long time ago.
下列有关安全用电的说法,正确的是( )