A:50°
B:60°
C:70°
D:80°
一 I have made great progress in spoken English since last year.
一 Well done! I am sure you'll be good at it soon.
如图,是一个几何体的三视图,根据图中标注的数据可求得这个几何体的体积为( )
— Your jacket is nice.
— ______.