The subject of "What is interesting isthat I do not even know him." is_______.

Alice, why didn’t you come yesterday?— I______, but I had an unexpected visitor

Hi, Tracy, you look tired–I am tiredI________ the living-room all day

_______ your father at home now-Yes, he is. He_______ TV.

Where is your grandpa —He _________ Canada and __________ Toronto for a month.