A:Being injured
B:To be injured
C:Having injured
D:Injured
在直角坐标系中,点A的坐标为(﹣3,4),那么下列说法正确的是( )
光传播的速度是每秒钟二十九万九千八百千米.
写作:____
—Let's go swimming.
—That sounds _________.