“一小时半”用英语怎么说？

Question

有几种说法，请都列出！！！急！！！

Answer 1

一小时半 1.one and a half hours 一个半小时是一小时再加半小时，当然是 1.one and a half hour 一格半小时 1.one and half an hour 每半小时一班 1.there is one every half an hour 一天半个小时可以做些什么运动 1.aerobic exercise: what 30 minutes a day can do

Answer 2

an hour and a half = one hour and a half = one and a half hours

Answer 3

1.an
hour
and
a
half
2.ninety
minutes
3.one
hour
and
thirty
minutes
第一个最常用吧