Q: he arrived a few days ago. i heard him by phone.
A: He arrived a few days ago. I heard him by phone.

Q: i re-entered the code. let's try again.
A: I re-entered the code. Let's try again.

Q: start date: 1 november 15:00cet
A: Start date: 1 November 15:00CET

Q: there are few tourists who live in this area.don't miss the beautiful parc del guinardó!
A:
There are few tourists who live in this area.Don't miss the beautiful Parc del Guinardó!