Question

【题目】The number of the volunteers in our city 2,000. And sixty percent of them teachers and students.
A.is; is
B.is; are
C.are; is
D.are; are

Answer 1

【答案】B
【解析】the number of……，作主语时，谓语动词用单数；sixty percent of……“百分之六十……”，当其修饰的名词在句子中作主语时，谓语动同用单数还是复数取决于名词，即与名词保持一致．因为of后跟代词them．所以答案为B。