Part 12 please fix incorrect sentences.

1. I went to LonDon city in Sunday ago
2. I went to LonDon city in Sunday ago on my dad's car that I borrowed.
3. In font of us was the pine trees line on the pass.
4. I went on it slowly.
5. I asked him(your friend are sitting next to him): Are that couple(Are you couple) - Yes,

1. I went to city of Lon Don Sunday in last week.
2. I went to city of Lon Don Sunday in last week . I drove on my dad's car, I borrowed.
3. In font of us was the pine trees line on the pass.( I don't know to explain this sentence)
4. I went on the street slowly or I slowly went on the street.
5. I asked him(his friend are

I went to city of Lon Don Sunday in last week.
I went to city of Lon Don Sunday in last week . I drove on my dad's car, I borrowed.
In font of us was the pine trees line on the pass.( I don't know to explain this sentence - And I don't understand it.)
I went on the street slowly or I slowly went

I went to London Sunday last week.
I went to London Sunday last week . I drove my dad's car, I borrowed.
I asked him (his friend is sitting beside him): (Are you the couples) - Yes, they're the couples and traveling together.
( I don't know how to explain this sentence)

In front of us, pine trees lined the pass. I go through it slowly and enjoying the atmosphere getting air,

Isn't it necessary to write 'on' before Sunday?
Thank you!

4444mvIsn't it necessary to write 'on' before Sunday?

No, it is not, though you may if you wish.