单项选择题______ found the Holy Grail and returned it to the Holy Land.
单项选择题Arthur died because ______.
单项选择题Arthur's sword, Excalibur, was returned to ______.
单项选择题What is the author's attitude toward top stars' high income
单项选择题The first sentence Pop stars today enjoy a style of living which was once the prerogative only of Royalty means ______.