---Has your father returned from Africa yet? ---Yes, but he ____ here for only three days before his company sent him to Australia.
--- You didn’t go to the party last night, did you? --- I do wish I ___ there.
--- Can you tell me how many study groups there are in a class? --- Generally speaking, a class often ___ 8 study groups, each with 7 group members.
___ , he still put people’s life in the first place.
--- Did you go to her birthday party held the day before yesterday? --- I ____, but something unexpected happened at my home.
___ the fact that he found math boring, he was still good at it.