题目

 -------How many students are there in the classroom?  ------- ________ .They are all on the playground. A. No one    B. None      C. Nobody      D Everyone 答案：B甲数比乙数多1.89，甲数是12.03，乙数是（ ）A. 13.92B. 9.14C. 10.14D. 9.41