他昨天晚上花了一个半小时写信因为它很重要的翻译：He spent 1.5 hours last night to write because it is so important 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

Last night he spent a half hour to write because it is very important

He spent 1.5 hours last night to write because it is so important

He yesterday evening spent for a half hour to write a letter because it was very important

He spent one and a half hours yesterday evening wrote because it is very important

He spent 1.5 hours last night to write because it is so important