问题
选择题
I don’t know what ________ of students in that school is, but you can see there are _________ of bikes and e-bikes outside the gate.
A．a number, the number
B．a number, a number
C．the number, a number
D．the number, the number
答案
答案：C
the number of 表示…数字，a number of 表示大量的，故选C