A BBC review said that as Bert in "Mary Poppins", which actor spoke a form of Cockney "unknown within 5,000 miles of Bow Bells"?

A bat's wings are actually modified forms of which body parts? Which verb can describe what you do to a dead car battery, someone else's mining claim and an opponent's checkers piece? Which battery brand's pink, drum-beating bunny "keeps going and going and going"? Which word is shared by blues legend B.B., tennis star Billie Jean and Poland's Boleslaw I? Singer Mr. Charles shared his first name with which word for a narrow beam of light? Which large Alaskan island is famous for its giant brown bears? Which Beatles song from the "White Album" includes the line "singing in the dead of night"? What is a bed stacked on a frame directly above another bed called?