--- ?
--- He is creative and outgoing.
A:What is the new teacher
B:What is the new teacher like
C:What does the new teacher do
D:What does he look like
我国东南部地区山清水秀而西北部地区却沙漠、戈壁广布,造成这种差异的原因是( )
下面各角能成为某多边形的内角和是( )