Пре­об­ра­зуй­те, если это не­об­хо­ди­мо, слово I так, чтобы оно грам­ма­ти­че­ски со­от­вет­ство­ва­ло со­дер­жа­нию тек­ста.

Once I was travelling in Italy. It was a lovely day. I wandered along the street until I came upon some parasol-shaded tables which seemed to ______ very nice. I settled and opened my book.