问题：
It is said that about ______of the books and magazines in the world______in English.
A. four-fifths;are written B fourth fives;are written
C, four fifth;were written D fourth fifths; were written
It is said that about ______of the books and magazines in the world______in English.
A. four-fifths;are written B fourth fives;are written
C, four fifth;were written D fourth fifths; were written
A. four-fifths;are written B fourth fives;are written
C, four fifth;were written D fourth fifths; were written
参考答案：