Watch Out! Big Bro's Coming!

Watch Out! Big Bro's Coming! by Jez Alborough, Walker, 1997

小老鼠大叫"小心!大哥哥來了!"
青蛙問"多大?"
小老鼠兩手一撐,"這麼大!"
青蛙嚇壞了,也連忙大叫"大哥哥來了!"
鸚鵡問"多大?"
青蛙兩手一撐,"這麼大!"
鸚鵡嚇壞了,也連忙....

猜猜"這麼大!"的大哥哥有多大?