____
如图,EFGH为矩形台球桌面,现有一白球A和一彩球B.应怎样击打白球A,才能使白球A碰撞台边EF,反弹后能击中彩球B?
(2016•十堰)- I shouted to you at the gate, but you didn't hear me.
- Really? I ____ a telephone call to my mother.