A:That's my family photo.
B:She has a red ruler.
C:She is Tim's cousin,Sally.
在军事演习中,某空降兵从悬停在空中的直升飞机上跳下,从跳离飞机到落地的过程中沿竖直方向运动的v﹣t图象如图所示,则下列说法正确的是( )
— What is 16 ____ 4?
— It's 4. 2 ____ 2 is also 4.
76+18-55= ____。