we walked ( )whole day that day,however ,by 5:30 we had only covered ( ) quarter of the disance
问题描述：
we walked ( )whole day that day,however ,by 5:30 we had only covered ( ) quarter of the disance
A.the ,a B.the ,the C.a,the D.a,a
答
A that day 表示特定的一天,应该用the,如果没有“that day”就要用“a”了.a quarter of 表示某某的四分之一