- Who is your best friend? ( )
- __________
A:Li Ming.
B:Ten years old.
C:In August.
_____ your article carefully, some mistakes can be avoided.
对我国民族区域自治的理解,正确的是( )
下列各句中划线的成语使用正确的一项是( )
若x=5-2,y=2-3,则x,y满足( )