自行车插锁
参考答案：
以插锁形式锁闭车轮的锁。
从12名学生中，选中8人参加环保志愿者活动，其中任意一个人被选中的概率是______．
---Excuse me, could you tell me _______________________?
--- It will leave at 3:00 p.m.
A．when will the plane leave for Shanghai
B．when the plane will leave for Shanghai
C．how will you go to Shanghai
D．how you will go to Shanghai
