of the students in our class interested in micro blogs (微博) on the Internet.
A. Two fifths; is
B. Two fifths; are
C. Two five; is
D. Two-five; are
网友回答
A. Two fifths; is
(答案→)B. Two fifths; are
C. Two five; is
D. Two-five; are
解析：英语中一般用基数词表示分数的分子，用序数词表示分数的分母。当分子是一时，分数的分母用单数形式，在表示分数时，当分数的分子大于一时，分数的分母要用复数形式。根据分析可知选项CD结构有误，当复数名词前后分数修饰时，谓语动词与被修饰的名词保持一致，students是复数形式，故选B。