翻译句子。
(1)你确实很擅长打乒乓球。_______________________________________
(2)萨姆和鲍彼正在开心地打乒乓球。________________________________
(3)他们找不到球。______________________________________________
(4)球在洞里吗?__________________________________________________
(5)它太深了。我够不到。_____________________________________________