The number of the students 1200. A number of students absent （缺席）yesterday.A. are wereB.

问题补充：

The number of the students 1200. A number of students absent （缺席）yesterday.

A. are, were

B. is, were

C. is was

D. are, was

答案：

A. are, were

(答案→)B. is, were

C. is was

D. are, was

解析：B 考查the number of和a number of的区别。前者译为“……的数量”，作主语，谓语用单数；后者译为“许多”，作主语时，谓语用复数。还要注意时态。