①东亚 ②西亚 ③中亚 ④南亚
A:①②③
B:①②④
C:①③④
D:②③④
关于南极地区的叙述,正确的是( )
He listened to the pianist the piano.
What were you doing when you____ ( hear) the news?
开创了“开元盛世”局面的皇帝是( )