填词,每个单词的第一个字母已给出!

填词,每个单词的第一个字母已给出!
Guide:Attention,please,ladies and gentlemen.our bus is a_______Cambridge,Massachusetts,where we'll be stopping to eat and overlook a small park that has a very interesting history.The park was built for a tree.L____ has it that Geroge Washington took command of the Continental Army here in 1775 under its very b____.It was almost 100 years later,In 1864,that the city of Cambridge c______ the event.And from then on the tree was called Washington Elm.W_____ the passing of years,the tree lost its beauty and was finally d_____ in a strom at the end of century.But that'snot the the end of the story.the r______ of the tree were cut down and r_______ of growth were counted to find out how old it was.Well,it seems that if Washington had accepted the command of the army under the tree,he must have done so on his k______!It couldn't have been more than three or four years old in 1775.Well,engjoy your lunch and f______.Watch your step as you leave the bus.