翻译几个英文句子，不要在线翻译！

Question

我到达火车站的时候，火车已经开走五分钟了。

到昨天下午的时候，他们已经完成了这项工作。

他一回到家，就开始做作业。

直到他给我解释了两遍，我才明白如何解决那个难题。

这已经是他们上周第五次吵架了。

Answer 1

When I got to the train station, the train has left since five minutes ago.
They have finished this work yesterday afternoon.
He stars doing homework as soon as he gets home.
I don't know how to solve that problem until he explains me twice.
This is the fifth time for them to fight last week
我也是学生，所以一般老师要求的短语我都有用到

Answer 2

When we arrived at the train station, the train had left for five minutes.
They had finished the work by yesterday afternoon.
He starts doing homework as soon as he comes home.
I didn't understand the question until he explained it twice
This was fifth quarrels they had last week.

Answer 3

I arrived at the train station, the train had left five minutes of.

Yesterday afternoon, when they have completed the work.

He came home, they begin to do their homework.

Until he explained to me twice, I came to understand how to solve that problem.

This was the fifth time last week, they quarrel

爱要就要，不要就算~！

Answer 4

when i arrived,the train have been left five minute ago.
until yesterday afternoon,they alread finished the work.
he starting homework as soon as he arriving home.
until he explained twice,i came to understand how to solve that problem.
this is the fifth quarrel they have made, last week.