hour的複數形式是什麼

例句:

1、It will take about an hour to get there.

到那裏大約需要一小時。

2、 It takes at least an hour to get home from work.

下班回家至少得花一個小時。

3、 I use the Internet at work, during my lunch hour.

我上班時在午餐時間使用互聯網

4、The journey took her the better part of an hour.

旅程花去了她半個多小時。

5、 I need about an hour to finish off this report.

我需要一小時左右結束這篇報告