Two of the most vital functions performed in any economy are _________________6

A．Most of the Americans love Pete Seeger's version of'' America the Beautiful".
B．Americans are going to vote for a new national anthem to replace the old one.
C．There are a lot of different versions of the song" America the Beautiful".
D．Americans singing the official national song will think of 9/11 terrorist attacks.

A．The rocket's red glare, and the bombs bursting in air...
B．Oh beautiful for heroes proved, in liberating strife...
C．America, America, God shed His grace on thee...
D．America, America, God mend thy every flaw.