问题描述：
three-fourths of the informationg about the 2008 Olympic Games ______ downloaded.
three-fourths of the informationg about the 2008 Olympic Games ______ downloaded from the Internet.
此处写are还是is
three-fourths of the informationg about the 2008 Olympic Games ______ downloaded from the Internet.
此处写are还是is
问题解答：
我来补答展开全文阅读