She didn't sing the song ____ at the party last night.
A:enough good
B:well enough
C:enough well
D:good enough
曲线y=1+ (x∈-2,2)表示圆的一部分,直线y=k(x-2)+4是过定点(2、4)的直线系,当曲线与直线有两个公共点时,实数k的取值范围是( )
下列大洲,有法语使用的是( )