填空:There is an art room in our school.You have _____ hour to see it.

问题描述:

填空:There is an art room in our school.You have _____ hour to see it.

an为什么?估计应该在一个小时。不能用a, hour第一音节元音发音,因此用an.估计这就是这道题的考点。不为什么不是半个小时?半小时的标准说法是half an hour你只有一个空,不行。