抗美援朝战争中的特等功臣、特级英雄黄继光，特等功臣、一级英雄孙占元、邱少云等均来自解放军第（）军。
A.12
B.15
C.38
参考答案：B
Someone _____ the tap on, for the water was running over and flooding the bathroom. [ ]
A. must have left
B. ought to leave
C. should have left
D. need to leave
企业发放股利的形式有：（）
A、现金股利
B、股票股利
C、财产股利
D、负债股利
