A：
B：
C：
D：
It's reported that the passenger ship "Eastern Star" capsized and sank（翻沉) in the Yangtze River _____ June 1st, 2015.
下列数据不能确定物体位置的是（ ）
— I'm ____ （琢磨）where to go.
3+6=____
50－10=____
40+40=____
8－8=____
