A:Go; i
B:Go; at
C:Going; o
D:To go; of
I heard that it is _________ more and more popular to celebrate Father's Day in China.
“会当凌绝顶,一览众山小”指的是( )
两圆x2+y2-1=0和x2+y2-4x+2y-4=0的位置关系是( )
同学们每天在教室里上课,围绕我们教室里的声现象,正确的观点是( )