The bus runs past the building once every five minutes ______ the average.The bus runs past the building once every five minutes ______ the average选项:a、above b、 below c、 on d、 at
问题描述：
The bus runs past the building once every five minutes ______ the average.
The bus runs past the building once every five minutes ______ the average
选项:
a、above
b、 below
c、 on
d、 at
答
d
答
On
答
C 词组哦 （on the average)呵呵O(∩_∩)O~
答
选c、 on
on the average平均水平
答
c、 on
on the average
词组
平均,没有问题.