问题描述：
I think _____of the materials llistened to at the beginning of the exam____easy. A.three fourths...
I think _____of the materials llistened to at the beginning of the exam____easy.
A.three fourths;is
B.third four;are
C.three fourths;are
D.three fourth;are
I think _____of the materials llistened to at the beginning of the exam____easy.
A.three fourths;is
B.third four;are
C.three fourths;are
D.three fourth;are
问题解答：
我来补答展开全文阅读