Gerardo's Sixth Sentence

There are only a few small changes we need in these three sentences. We have not seen each other for ages. He came to the citta for just three weeks, so I invited him over for drinks last weekend. In the fifth sentence, we will add a comma after the word so. So, in this case, is an introductory word or transition. Add a comma after introductory words of this kind to show that the main part of the sentence follows. Let's look at the sixth sentence.